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COMPTEURS SOC IND DES
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COMPTEURS SOC IND DES
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Publication of FR450954ApublicationCriticalpatent/FR450954A/en
G07F15/00—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity
G07F15/06—Coin-freed apparatus with meter-controlled dispensing of liquid, gas or electricity with means for prepaying basic charges, e.g. rent for meters
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FR450954D1912-11-231912-11-23
Improvements to prepayment gas meters
ExpiredFR450954A
(en)