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经营范围
发明名称
Prepayment gasmeter particularly for supplying gas under a tariff with a fixed due, the meter housing being provided with two slots
摘要
申请公布号
GB355107(A)
申请公布日期
1931.08.20
申请号
GB19300032127
申请日期
1930.10.25
申请人
N.V. DE NEDERLANDSCHE GASMETER FABRIEK GEORGE WILSON, MAATSCHAPPIJ VOOR AANLEG VAN GAS-EN WATERLEIDINGEN
发明人
分类号
G07F15/06
主分类号
G07F15/06
代理机构
代理人
主权项
地址
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