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发明名称
Mounting for compasses
摘要
申请公布号
US1880982(A)
申请公布日期
1932.10.04
申请号
US19300451539
申请日期
1930.05.12
申请人
SPERRY GYROSCOPE COMPANY, INC.
发明人
RAWLINGS ARTHUR L.
分类号
主分类号
代理机构
代理人
主权项
地址
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