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经营范围
发明名称
Protective system for punch presses or other machines
摘要
申请公布号
US2679307(A)
申请公布日期
1954.05.25
申请号
US19510243149
申请日期
1951.08.22
申请人
C. TODD
发明人
KOCH FREDERICK
分类号
B21D55/00
主分类号
B21D55/00
代理机构
代理人
主权项
地址
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