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经营范围
发明名称
Signaling system
摘要
申请公布号
US2577297(A)
申请公布日期
1951.12.04
申请号
US19440519272
申请日期
1944.01.22
申请人
HAIG ANTRANIKIAN
发明人
ANTRANIKIAN HAIG
分类号
H03C3/10
主分类号
H03C3/10
代理机构
代理人
主权项
地址
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