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发明名称
Method for tapping pipe
摘要
申请公布号
US2911859(A)
申请公布日期
1959.11.10
申请号
US19550503248
申请日期
1955.04.22
申请人
LOCK JOINT PIPE COMPANY
发明人
LONGLEY JAMES EDWARD;VALENZIANO FRANK P.
分类号
B23B41/08;F16L41/00;F16L41/06
主分类号
B23B41/08
代理机构
代理人
主权项
地址
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