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发明名称
Composite article and method of manufacture
摘要
申请公布号
US2424557(A)
申请公布日期
1947.07.29
申请号
US19440542289
申请日期
1944.06.27
申请人
GENERAL MOTORS CORPORATION
发明人
BRA DONALD W. DE
分类号
B22F7/00
主分类号
B22F7/00
代理机构
代理人
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地址
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