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发明名称
ANTI-RETRIEVAL DEVICES
摘要
申请公布号
CA1014924(A)
申请公布日期
1977.08.02
申请号
CA19740209682
申请日期
1974.09.20
申请人
UMC INDUSTRIES, INC.
发明人
PESCETTO, JAMES R.
分类号
G07F7/04;G07D7/00;G07D7/04;G07F1/00;G07F7/08
主分类号
G07F7/04
代理机构
代理人
主权项
地址
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