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发明名称
Improvements relating to prepayment mechanism for meters
摘要
申请公布号
GB431213(A)
申请公布日期
1935.07.03
申请号
GB19340007078
申请日期
1934.03.06
申请人
FRANK HOLDEN;MEASUREMENT LIMITED
发明人
分类号
G07F15/04
主分类号
G07F15/04
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代理人
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