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发明名称
Valve construction
摘要
申请公布号
US1759081(A)
申请公布日期
1930.05.20
申请号
US19290353144
申请日期
1929.04.06
申请人
ANDERSON JOHN K
发明人
ANDERSON JOHN K.
分类号
F16K15/04
主分类号
F16K15/04
代理机构
代理人
主权项
地址
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