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Application filed by Goodell Earl George, Baldwin Wood AlbertfiledCriticalGoodell Earl George
Publication of CH61010ApublicationCriticalpatent/CH61010A/en
Control of the liquid flow depending on the changeover valve in the case of compound liquid counters with secondary counters relieved during or after the changeover
Control of the liquid flow depending on the changeover valve in the case of compound liquid counters with secondary counters relieved during or after the changeover