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发明名称
Gyro earth inductor compass
摘要
申请公布号
US1988521(A)
申请公布日期
1935.01.22
申请号
US19300439614
申请日期
1930.03.28
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
JR. ELMER A. SPERRY,;WITTKUHNS BRUNO A.
分类号
G01C17/30;G01C19/36
主分类号
G01C17/30
代理机构
代理人
主权项
地址
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