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发明名称
Method and apparatus for making brazed tubing
摘要
申请公布号
US2197191(A)
申请公布日期
1940.04.16
申请号
US19380199556
申请日期
1938.04.02
申请人
GENERAL MOTORS CORPORATION
发明人
NICHOLS CHARLES A.;BISH RAYMOND H.
分类号
B21C37/09
主分类号
B21C37/09
代理机构
代理人
主权项
地址
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