External circuit breaker of electric formula electric energy meter is got to three -phase
The utility model relates to an external circuit breaker of electric formula electric energy meter is got to three -phase, get the electroplax and get electric shroud including control accessories, miniature circuit breaker, PCBA, miniature circuit breaker's quadrupole inlet wire end all be equ...
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Format: | Patent |
Sprache: | chi ; eng |
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