ZA99402B
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2000-07-20
Efficient process to produce oxygen.
IL127323A0
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1999-09-22
Solar energy plant
HUP0101555A3
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2001-12-28
Method and device for anaerobic purification of waste water using the uasb method
ZA200108897B
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2002-08-28
Energy distribution network.
MY111311A
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1999-10-30
The process for the production of hydrogen by microorganisms.
ZA997275B
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2000-05-29
Polycrystalline carbon conversion.
HUP0100665A3
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2004-03-01
Wastewater treatment plant comprising upflow anaerobic reactor, and wastewater treatment method using thereof
EP1310461A4
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2009-06-17
Method for treating organic waste water
FR2802340B1
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2003-09-05
STRUCTURE COMPRISING PHOTOVOLTAIC CELLS AND METHOD FOR PRODUCING THE SAME
AU3512399A
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1999-11-16
Waste to energy method for producing electricity, water and/or hydrogen and/or methanol from biomass and/or organic waste
GB2324342B
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2000-08-23
Hydroelectric power generation plant
HUP9800994A3
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2000-02-28
Waste to energy process for producing current, water and/or hydrogen from biomass and/or organic waste
GB9914483D0
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1999-08-18
Power generation plant
GB2310865B
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2000-02-09
Method of producing hydrogen from biomass
HUP9800993A3
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2000-02-28
Waste to energy process for producing current, water and/or methyl alcohol from biomass and/or organic waste
HK1038833A1
(en )
2002-03-28
Method of producing solar cell device
GB9823414D0
(en )
1998-12-23
Energy generation
GB2337305B
(en )
2002-03-13
Plant to generate energy from tidal streams
AU7527698A
(en )
1998-11-13
Thermochemical process for converting urban and special refuse into basic chemical products, and plant for implementing the process
GB2345731B
(en )
2000-08-23
Hydroelectric power generation plant
AU2002215746A1
(en )
2002-06-24
System for converting organic waste reservoirs into anaerobic digesters
TW458245U
(en )
2001-10-01
Indirect-heating waste carbonization reactor with high conversion rate
GB9810056D0
(en )
1998-07-08
Plant to generate energy from tidals streams
GB9801333D0
(en )
1998-03-18
Solar energy conversion apparatus
IL143175A0
(en )
2002-04-21
Solar energy plant