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发明名称
Metal plate dimpling machine
摘要
申请公布号
US2431935(A)
申请公布日期
1947.12.02
申请号
US19400352204
申请日期
1940.08.12
申请人
HUCK MANUFACTURING COMPANY
发明人
HUCK LOUIS C.
分类号
B21D22/04
主分类号
B21D22/04
代理机构
代理人
主权项
地址
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