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发明名称
Valve
摘要
申请公布号
US1804711(A)
申请公布日期
1931.05.12
申请号
US19270182333
申请日期
1927.04.09
申请人
RUSSELL SMITH THOMAS
发明人
SMITH THOMAS RUSSELL
分类号
F16K5/16
主分类号
F16K5/16
代理机构
代理人
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地址
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