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发明名称
Apparatus for manufacture of helical coils of tubing
摘要
申请公布号
US2505623(A)
申请公布日期
1950.04.25
申请号
US19480038918
申请日期
1948.07.15
申请人
TUBE TURNS, INC.
发明人
MCLAUGHLIN CARL B.;OCHS JOHN D.;REDMON CHARLES L.
分类号
B21D9/12
主分类号
B21D9/12
代理机构
代理人
主权项
地址
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