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发明名称
Telephone paystation circuit with coin-accept control
摘要
申请公布号
US2974199(A)
申请公布日期
1961.03.07
申请号
US19550529755
申请日期
1955.08.22
申请人
INTERNATIONAL TELEPHONE AND TELEGRAPH CORPORATION
发明人
BELLAMY JOHN I.
分类号
H04M17/02
主分类号
H04M17/02
代理机构
代理人
主权项
地址
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