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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 and in following power distribution equipment electric appliance measuring appliance makes the control signal protection and survey. | |||||||||
執(zhí)行標(biāo)準(zhǔn) standards implemented : mt818-1999 | |||||||||
型號(hào)、名稱及使用范圍 model desc-riptions and use scope | |||||||||
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