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发明名称
Valve
摘要
申请公布号
US1781224(A)
申请公布日期
1930.11.11
申请号
US19290336997
申请日期
1929.02.02
申请人
GILG HENRY F
发明人
GILG HENRY F.
分类号
F16K3/24
主分类号
F16K3/24
代理机构
代理人
主权项
地址
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