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FI2373A
(en)
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Automatic grate valve sliding on the water supply up to the water level on the "Rostin sprinkler"
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FR353130A
(en)
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water purifier
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ES36582A1
(en)
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The water tank that will be called the "perfect hygienic filter".
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FR371501A
(en)
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Heater-scaler with water meter
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ES35426A1
(en)
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The automatic shower called "Mano-Lola".
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DK7736C
(en)
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Self-closing Valve for Water Level Indicators and the like.
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CH45696A
(en)
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Boiler installation with water heater economiser
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FR379958A
(en)
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Water supply regulator
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AT25607B
(en)
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Steam boiler with water pipes arranged in the fire box.
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FR351359A
(en)
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automatic boiler water purifier
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AT22863B
(en)
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Remote water level indicator.
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FR400426A
(en)
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Hanging planter with water flow
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FR373120A
(en)
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Apartment with disappearing bed
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DK11342C
(en)
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Device with free-standing water closets for automatic regulation of the water supply.
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FR356095A
(en)
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Automatic fire alarm
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CH34903A
(en)
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Automatic fire alarm
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CA92687A
(en)
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Ventilating water closet
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FR377728A
(en)
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Fire valve
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FR361339A
(en)
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Water regulator
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FR363938A
(en)
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Water meter
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FR13848E
(en)
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Non-freezing water mouth
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FR361842A
(en)
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Non-freezing water mouth
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FR371055A
(en)
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water purifier
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FR365984A
(en)
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water purifier
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CA95670A
(en)
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Water level regulator
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