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发明名称
Method of making bumpers
摘要
申请公布号
US2481072(A)
申请公布日期
1949.09.06
申请号
US19480036141
申请日期
1948.06.30
申请人
CHRYSLER CORPORATION
发明人
BRAZIL JOHN H.
分类号
B21D7/028
主分类号
B21D7/028
代理机构
代理人
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