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发明名称
Valve
摘要
申请公布号
US1792906(A)
申请公布日期
1931.02.17
申请号
US19270213256
申请日期
1927.08.16
申请人
HEILOS HENRY C
发明人
HEILOS HENRY C.
分类号
F16K11/083
主分类号
F16K11/083
代理机构
代理人
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