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发明名称
Means for producing pipe fittings
摘要
申请公布号
US2858787(A)
申请公布日期
1958.11.04
申请号
US19560587674
申请日期
1956.05.28
申请人
HILL WALTER P
发明人
HILL WALTER P.
分类号
B21C37/29
主分类号
B21C37/29
代理机构
代理人
主权项
地址
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