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发明名称
Magnetic compass
摘要
申请公布号
US1983103(A)
申请公布日期
1934.12.04
申请号
US19330651034
申请日期
1933.01.10
申请人
BENDIX AVIATION CORPORATION
发明人
JR. CLARENCE LEE SEWARD,
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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