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发明名称
Improvements relating to prepayment mechanisms for gas and other meters
摘要
申请公布号
GB498530(A)
申请公布日期
1939.01.10
申请号
GB19370020410
申请日期
1937.07.23
申请人
GEORGE GLOVER & CO. LIMITED;CHRISTOPHER WALTER STAPLES
发明人
分类号
G07F15/02
主分类号
G07F15/02
代理机构
代理人
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地址
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