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发明名称
Valve
摘要
申请公布号
US1792945(A)
申请公布日期
1931.02.17
申请号
US19260149081
申请日期
1926.11.18
申请人
DEVENTER FRANCIS M VAN
发明人
DEVENTER FRANCIS M. VAN
分类号
F16K1/02
主分类号
F16K1/02
代理机构
代理人
主权项
地址
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