TIMER DEVICE FOR DIFFERENT FREQUENCY COMMERCIAL POWER SUPPLY

PURPOSE:To make the quantity of shift almost equal to a district having a commercial power supply of different frequency by giving a prescribed count number at each plural seconds and obtaining a desired time limit while using the said plural seconds as the unit time. CONSTITUTION:When a timer set s...

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Bibliographische Detailangaben
1. Verfasser: NUMAKURA MAKOTO
Format: Patent
Sprache:eng
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