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发明名称
POSTPAY TELEPHONE PAYSTATION CIRCUIT
摘要
申请公布号
CA824216(A)
申请公布日期
1969.09.30
申请号
CAD824216
申请日期
申请人
NORTHERN ELECTRIC COMPANY LIMITED
发明人
JOSEPH THOMPSON
分类号
主分类号
代理机构
代理人
主权项
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