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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0186167 (1994-01-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 52 인용 특허 : 0 |
A gas valve comprises the combination of a control valve having a valve body made of polymeric material and a thermally responsive shutoff valve having a metal valve body. The shutoff valve is connected upstream of the control valve and is adapted to be connected to a gas source. The shutoff valve i
In a gas valve, a control valve having a valve body made of polymeric material; and a shutoff valve having a metal valve body, said control valve including electrically operated valve means for controlling flow of gas through said control valve, said shutoff valve being connected to said control val
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