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发明名称
CARRIER TELEGRAPH SYSTEMS
摘要
申请公布号
CA531813(A)
申请公布日期
1956.10.16
申请号
CAD531813
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
HECTOR T. PRIOR
分类号
主分类号
代理机构
代理人
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