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经营范围
发明名称
Compensator switch
摘要
申请公布号
US1809641(A)
申请公布日期
1931.06.09
申请号
US19290389726
申请日期
1929.08.31
申请人
SUBMARINE SIGNAL COMPANY
发明人
SKUDRE ARNOLD M.
分类号
G01S1/72
主分类号
G01S1/72
代理机构
代理人
主权项
地址
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