IL129269A0
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2000-02-17
Hot water tank and controller therefor
GB9824565D0
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1999-01-06
Valve and water heater
GB2341667B
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2002-06-26
Improvements in or relating to instantaneous water heaters
TW419172U
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2001-01-11
Temperature adjustment improvement of heater in water tank
TW357886U
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1999-05-01
Improvement of warming water tank for water heater
PL344744A1
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2001-11-19
Heating system for non-drinking water
GB9903105D0
(en )
1999-03-31
Improvements relating to electric water heating vessels
TW362354U
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1999-06-21
Improvement for temperature-regulating heater of water tank
GB9825441D0
(en )
1999-01-13
Improvements in combined temperature level and limescale reduction control devies for water heaters
TW299024U
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1997-02-21
Water tank of water heater
TW358540U
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1999-05-11
Heat insulation for water tank in water heater
GB9816366D0
(en )
1998-09-23
Improvements in combined temperature level and limescale reduction control devices for water heaters
TW351444U
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1999-01-21
Improvement of water tank for electric water heater
TW317936U
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1997-10-11
Improved hot water tank for solar water heater
GB2341666B
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2002-09-18
Improvements in or relating to instantaneous water heaters
TW347066U
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1998-12-01
Secure-piece of flame-row in main stove of water heater
LT98035A
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1998-11-25
Water heater
TW371479U
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1999-10-01
Improved burner structure for water heater
TW409837U
(en )
2000-10-21
Auxiliary temperature regulating device of water heater
TW369139U
(en )
1999-09-01
Improved water heater
TW399488U
(en )
2000-07-21
Pure water heater
TW381682U
(en )
2000-02-01
Combination type of water heater for multipurpose
TW527863U
(en )
2003-04-11
Structure improvement of electric thermostatic heater for fish tank
PL326040A1
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1999-11-08
Direct-flow water heater
PL321508A1
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1999-02-15
Direct water heater