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1999-01-26
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2000-07-13
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Preparation of water from flue gases
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2000-11-01
Gas inlet structure of water heater
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2000-08-21
Gas inlet structure of gas heater
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1999-01-21
Improvement of gas water heater
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2001-01-01
Improved forced ventilation structure of gas water heater
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1999-10-01
Improved structure of water heater by gas
GB0022346D0
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2000-10-25
Embedded type gas water heater
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2000-07-21
Improvement of main oven adiabatic structure of gas water heater
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2000-02-01
Gas switch of the water heater
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2000-03-01
Improved structure for gas water heater
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2002-09-05
GAS WATER HEATER
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2000-11-01
Safety device of gas water heater
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2003-05-21
Structure of portable water heater
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1999-07-11
Stucture of fire-lighter free gas water heater
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2001-08-01
Improved structure of solar energy water heater
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2003-09-01
Improved heating structure of water heater
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2001-06-07
Improved water inlet
TW377816U
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1999-12-21
Improved structure for exhaust port of water heater
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2000-10-21
Water pan structure of water heater
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2000-11-01
Improved water pressure difference disk structure of water heater
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2000-03-21
Improved structure for connecting system of water inlet/outlet
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2000-01-21
Structure improvement of water inlet & outlet pipe of aquarium
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1998-01-21
Improved structure of gas fired hot water heater