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发明名称
MAGNETIC PULSE GENERATOR AND DEPTH FINDER SYSTEM
摘要
申请公布号
CA522912(A)
申请公布日期
1956.03.20
申请号
CAD522912
申请日期
申请人
NATIONAL-SIMPLEX-BLUDWORTH
发明人
RICHARD C. CATHCART
分类号
主分类号
代理机构
代理人
主权项
地址
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