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发明名称
Apparatus for punching corrugated metal plates
摘要
申请公布号
US2843205(A)
申请公布日期
1958.07.15
申请号
US19560596071
申请日期
1956.07.05
申请人
GREULICH GERALD G
发明人
GREULICH GERALD G.
分类号
B21D28/32
主分类号
B21D28/32
代理机构
代理人
主权项
地址
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