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发明名称
Valve stem and adapter
摘要
申请公布号
US1903392(A)
申请公布日期
1933.04.04
申请号
US19290403996
申请日期
1929.11.01
申请人
THE DILL MANUFACTURING COMPANY
发明人
CROWLEY JOHN C.
分类号
F16K15/20
主分类号
F16K15/20
代理机构
代理人
主权项
地址
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