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发明名称
Pipe line fitting
摘要
申请公布号
US2649117(A)
申请公布日期
1953.08.18
申请号
US19460694020
申请日期
1946.08.30
申请人
PAUL A. DEWHIRST
发明人
HAMER LELAND S.
分类号
F16K3/312
主分类号
F16K3/312
代理机构
代理人
主权项
地址
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