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Publication of BE729887ApublicationCriticalpatent/BE729887A/fr
G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
G07F17/16—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like
G07F17/163—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for devices exhibiting advertisements, announcements, pictures or the like for film projection apparatus