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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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FR807181D1935-06-051936-06-04Mécanisme de payement d'avance pour compteurs à gaz et similaires
ExpiredFR807181A
(fr)