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Application filed by V Mairhofen Eduard Freiherr, Max SteinfiledCriticalV Mairhofen Eduard Freiherr
Publication of CH51012ApublicationCriticalpatent/CH51012A/en
G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
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Physics & Mathematics
(AREA)
General Physics & Mathematics
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CH51012A1909-12-271909-12-27
Contact device for electrical temporary power supply
CH51012A
(en)