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发明名称
PUNCHING DEVICE COMPRISING MATRICES HAVING APERTURE COMBINATIONS
摘要
申请公布号
US3538308(A)
申请公布日期
1970.11.03
申请号
USD3538308
申请日期
1968.09.03
申请人
U.S. PHILIPS CORP.
发明人
SIEGFRIED SCHMIDT
分类号
G06K1/02;(IPC1-7):H05B7/18
主分类号
G06K1/02
代理机构
代理人
主权项
地址
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