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发明名称
Metal deforming percussion tool
摘要
申请公布号
US2783814(A)
申请公布日期
1957.03.05
申请号
US19530336509
申请日期
1953.02.12
申请人
HUTCHINS ALMA A
发明人
HUTCHINS ALMA A.
分类号
B21D1/06;B25D9/08
主分类号
B21D1/06
代理机构
代理人
主权项
地址
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