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发明名称
SIGNAL TRANSMITTING APPARATUS
摘要
申请公布号
CA651238(A)
申请公布日期
1962.10.30
申请号
CAD651238
申请日期
申请人
AMERICAN DISTRICT TELEGRAPH COMPANY
发明人
ARTHUR B. HUBE
分类号
主分类号
代理机构
代理人
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地址
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