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发明名称
Riveting and punching machine
摘要
申请公布号
US1792790(A)
申请公布日期
1931.02.17
申请号
US19290398622
申请日期
1929.10.10
申请人
WISTI ANDREW O
发明人
WISTI ANDREW O.
分类号
B21J15/26
主分类号
B21J15/26
代理机构
代理人
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地址
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