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发明名称
Improvements in or relating to telephone and like coin collectors
摘要
申请公布号
GB723538(A)
申请公布日期
1955.02.09
申请号
GB19510021880
申请日期
1951.09.18
申请人
HALL TELEPHONE ACCESSORIES LIMITED
发明人
HALL FREDERICK WILLIAM;BUTLER HUGH ERNEST JAMES
分类号
G07F9/06;H04M17/02
主分类号
G07F9/06
代理机构
代理人
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