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经营范围
发明名称
Improvements in coin collectors for telephone services and the like
摘要
申请公布号
GB446780(A)
申请公布日期
1936.05.06
申请号
GB19350004352
申请日期
1935.02.11
申请人
HALL TELEPHONE ACCESSORIES (1928) LIMITED;FREDERICK WILLIAM HALL
发明人
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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