GB1530310A
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1978-10-25
Fluid flow control valves
US3300174A
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1967-01-24
Gas valve
GB135519A
(https= )
GB1050085A
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GB1327307A
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1973-08-22
Apparatus for controlling the admission of gas to a water heater burner
US2011111A
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1935-08-13
Safety lighting device
US2642084A
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1953-06-16
Gas pilot lighter
GB1461198A
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1977-01-13
Gas fitting for a gas-fired appliance
GB736460A
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1955-09-07
Improvements relating to gas welding and cutting appliances
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1917-05-22
Valve.
CN210750992U
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2020-06-16
稳压系统及其阻火装置
GB406569A
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GB681124A
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1952-10-15
Improvements in or relating to gas burning pyrophoric lighters
GB723334A
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GB672783A
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GB468670A
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1937-07-09
Improvements relating to water-flow responsive devices for automatically controlling the gas burner valves of gas-fired pilot-lit water heaters
GB518201A
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GB1145165A
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1969-03-12
Flame failure device
KR100622009B1
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2006-09-14
가연성 가스배관용 압력조절기
GB244469A
(en )
1926-04-22
Improvements in adjustable self-closing valve
GB458365A
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1900-01-01
GB853319A
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1960-11-02
Improvements in or relating to safety valve devices for gas-heated or gas burning appliances
GB698602A
(https= )
KR200368520Y1
(ko )
2004-11-26
가연성 가스배관용 압력조절기
GB870896A
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1961-06-21
Dual-orifice fuel injection nozzle and flow divider therefor