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1998-01-07
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1999-10-06
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Gas appliances
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Improved structure of medium-/low-pressure gas stove switch
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Gas compressor
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Improved structure of switch of middle-to-low pressure gas stove
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Improved structure of medium-/low-pressure gas stove switch (addendum 6)
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1997-06-21
Improved structure of switch of middle-low pressure gas stove
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Improved structure of safety switch of gas stove
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Gas stove switch structure improvement
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2000-06-11
Structure improvement of gas ignition switch
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1997-09-21
Dual purpose gas stove switch
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1998-07-21
Improved structure of a gas stove switch
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1997-01-21
An improved structure of gas burner
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1998-06-01
Improved Structure of a switch of a gaseous stove
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1996-07-31
Gas stoves
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Improved structure of core of gas stove
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1999-09-01
Improved structure of gas stove safety switch
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1997-01-11
Improved flame switch for three-ringed-type gas stove
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Gas appliances
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