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经营范围
发明名称
Punching and extrusion unit
摘要
申请公布号
US2701018(A)
申请公布日期
1955.02.01
申请号
US19520283209
申请日期
1952.04.19
申请人
FRITZ W. GLITSCH & SONS, INC.
发明人
GLITSCH HANS C.
分类号
B21D28/24
主分类号
B21D28/24
代理机构
代理人
主权项
地址
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