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发明名称
Pneumatic toggle relay with controlled positive feed back
摘要
申请公布号
US2829858(A)
申请公布日期
1958.04.08
申请号
US19550529219
申请日期
1955.08.18
申请人
HAGAN CHEMICALS & CONTROLS, INC.
发明人
WILLIAMS RAY S.
分类号
F16K31/126
主分类号
F16K31/126
代理机构
代理人
主权项
地址
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