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发明名称
POCKET FLIGHT POSITION INDICATOR
摘要
申请公布号
CA460193(A)
申请公布日期
1949.10.11
申请号
CAD460193
申请日期
申请人
JOHN K. CHRISTIE
发明人
JOHN K. CHRISTIE
分类号
主分类号
代理机构
代理人
主权项
地址
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