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发明名称
Manufacture of tubing
摘要
申请公布号
US2255550(A)
申请公布日期
1941.09.09
申请号
US19380239655
申请日期
1938.11.09
申请人
GENERAL MOTORS CORPORATION
发明人
NICHOLS CHARLES A.;BISH RAYMOND H.
分类号
B23K1/16
主分类号
B23K1/16
代理机构
代理人
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地址
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