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发明名称
Link body and method of making same
摘要
申请公布号
US2178858(A)
申请公布日期
1939.11.07
申请号
US19370165838
申请日期
1937.09.27
申请人
THOMPSON PRODUCTS, INCORPORATED
发明人
HUFFERD GEORGE H.
分类号
B21D39/03;B21D53/00
主分类号
B21D39/03
代理机构
代理人
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