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经营范围
发明名称
Improvements in or relating to phase measuring apparatus
摘要
申请公布号
GB580538(A)
申请公布日期
1946.09.11
申请号
GB19430018037
申请日期
1943.11.01
申请人
SPERRY GYROSCOPE COMPANY INC.
发明人
分类号
G01R25/00
主分类号
G01R25/00
代理机构
代理人
主权项
地址
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