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| 號(hào)保護(hù)和測(cè)量 | |||||||||||||||||||||
| scope of application:this product is suitable under the mine pit exchanges the rated voltage is 450/750v in following power distribution equipment electric appliance measuring appliance makes the control signal protectionsurvey. | |||||||||||||||||||||
| 執(zhí)行標(biāo)準(zhǔn) standards implemented : mt818-1999 | |||||||||||||||||||||
| 型號(hào)、名稱(chēng)及使用范圍 model desc-riptionsuse scope | |||||||||||||||||||||
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