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发明名称
RESIDENTIAL OR FARM INTERCOM TELEPHONE SYSTEM
摘要
申请公布号
CA655492(A)
申请公布日期
1963.01.08
申请号
CAD655492
申请日期
申请人
AUTOMATIC ELECTRIC LABORATORIES
发明人
EDWARD S. PETERSON
分类号
主分类号
代理机构
代理人
主权项
地址
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