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发明名称
Magnetic contact signal device for automatic machines
摘要
申请公布号
US3153474(A)
申请公布日期
1964.10.20
申请号
US19620222082
申请日期
1962.09.07
申请人
GEORGE WINTRISS
发明人
WINTRISS GEORGE
分类号
B21D43/02
主分类号
B21D43/02
代理机构
代理人
主权项
地址
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