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发明名称
Electrical compensator
摘要
申请公布号
US1971688(A)
申请公布日期
1934.08.28
申请号
US19280314390
申请日期
1928.10.23
申请人
ELECTROACUSTIC GESELLSCHAFT MIT BESCHRANKTER HAFTUNG
发明人
LANGE FRITZ
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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