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发明名称
APPARATUS FOR INSTRUCTION OR TRAINING IN NAVIGATION
摘要
申请公布号
CA550603(A)
申请公布日期
1957.12.24
申请号
CAD550603
申请日期
申请人
COMMUNICATIONS PATENTS LIMITED
发明人
ALBERT E. CUTLER;THOMAS B. MURRAY
分类号
主分类号
代理机构
代理人
主权项
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