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发明名称
Valve
摘要
申请公布号
US1886315(A)
申请公布日期
1932.11.01
申请号
US19310552089
申请日期
1931.07.21
申请人
THACHER GEORGE H
发明人
THACHER GEORGE H.
分类号
F16K17/38
主分类号
F16K17/38
代理机构
代理人
主权项
地址
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