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发明名称
Tubing or method of making tubing
摘要
申请公布号
US2730135(A)
申请公布日期
1956.01.10
申请号
US19510245896
申请日期
1951.09.10
申请人
BUNDY TUBING COMPANY
发明人
WALLACE ARTHUR M.
分类号
B21C37/087;B23K1/16
主分类号
B21C37/087
代理机构
代理人
主权项
地址
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