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发明名称
Valve
摘要
申请公布号
US1792849(A)
申请公布日期
1931.02.17
申请号
US19290366266
申请日期
1929.05.27
申请人
LINDEMANN FREDERICK W
发明人
LINDEMANN FREDERICK W.
分类号
F16K29/00
主分类号
F16K29/00
代理机构
代理人
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