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发明名称
Punch press for forming sheet metal shells
摘要
申请公布号
US1935854(A)
申请公布日期
1933.11.21
申请号
US19310572645
申请日期
1931.11.02
申请人
THE HEGELER ZINC COMPANY
发明人
MCCREARY MILLER A.
分类号
B21D24/00
主分类号
B21D24/00
代理机构
代理人
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地址
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