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发明名称
Pipe fitting nipple holder
摘要
申请公布号
US2228827(A)
申请公布日期
1941.01.14
申请号
US19390280701
申请日期
1939.06.23
申请人
HOLZHAEUSER WILLIAM F
发明人
HOLZHAEUSER WILLIAM F.
分类号
A47F5/00
主分类号
A47F5/00
代理机构
代理人
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