PROTECTIVE DEVICE FOR EMERGENCY POWER SUPPLY AND POWER CONTROLLER FOR EMERGENCY POWER SUPPLY
To solve the following problem: Surplus power was difficult to make effective use because an emergency power supply for a refuge may be broken by overload or overcurrent, although the power supply has surplus power.SOLUTION: The emergency power supply protective device, having a plurality of feeding...
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Format: | Patent |
Sprache: | eng ; jpn |
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