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发明名称
Induction compass
摘要
申请公布号
US2334469(A)
申请公布日期
1943.11.16
申请号
US19420426461
申请日期
1942.01.12
申请人
AGA-BALTIC AKTIEBOLAG
发明人
ALEXANERSSON HARALD VALDEMAR;DAHLSTEDT ADOLF STELLAN
分类号
主分类号
代理机构
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