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FRANCOIS MARTIN WOHLGROTH
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FRANCOIS MARTIN WOHLGROTH
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Application filed by FRANCOIS MARTIN WOHLGROTHfiledCriticalFRANCOIS MARTIN WOHLGROTH
Application grantedgrantedCritical
Publication of FR428971ApublicationCriticalpatent/FR428971A/en
G07F5/02—Coin-actuated mechanisms; Interlocks actuated mechanically by coins, e.g. by a single coin
G07F5/04—Coin-actuated mechanisms; Interlocks actuated mechanically by coins, e.g. by a single coin wherein two or more coins of the same denomination are required for each transaction
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR428971D1911-04-261911-04-26
Receiving device for prepayment meters for gas or electricity
ExpiredFR428971A
(en)