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经营范围
发明名称
Elektrisches Signalsystem
摘要
申请公布号
DE917321(C)
申请公布日期
1954.08.30
申请号
DE1951I004401
申请日期
1951.07.22
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
GARFIELD WILLIAM LITTERY
分类号
G01S1/02;G01S7/00
主分类号
G01S1/02
代理机构
代理人
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地址
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