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发明名称
Method of making tubular articles
摘要
申请公布号
US2126473(A)
申请公布日期
1938.08.09
申请号
US19360063062
申请日期
1936.02.10
申请人
GENERAL MOTORS CORPORATION
发明人
KELLER CLARENCE J.
分类号
B21C37/10;B21D51/10
主分类号
B21C37/10
代理机构
代理人
主权项
地址
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