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经营范围
发明名称
Valve structure
摘要
申请公布号
US2382235(A)
申请公布日期
1945.08.14
申请号
US19430498315
申请日期
1943.08.12
申请人
LAMAR HARRY H
发明人
LAMAR HARRY H.
分类号
F16K41/12
主分类号
F16K41/12
代理机构
代理人
主权项
地址
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