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发明名称
Cruiser's compass
摘要
申请公布号
US2528339(A)
申请公布日期
1950.10.31
申请号
US19450630295
申请日期
1945.11.23
申请人
REGINALD COLLINS
发明人
COLLINS REGINALD
分类号
G01C17/00
主分类号
G01C17/00
代理机构
代理人
主权项
地址
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