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发明名称
Electric delayed-impulse valve and switching circuit therefor
摘要
申请公布号
US2608999(A)
申请公布日期
1952.09.02
申请号
US19490080384
申请日期
1949.03.09
申请人
WHEELER BYRHL F
发明人
WHEELER BYRHL F.
分类号
F16K31/48
主分类号
F16K31/48
代理机构
代理人
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地址
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