BS 6907-4:1988
Electrical installations for open-cast mines and quarries. Recommendations for winning, stacking and processing machinery, pumps and low signal level and communications systems
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BS 6907-4:1988
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Electrical installations for open-cast mines and quarries. Recommendations for winning, stacking and processing machinery, pumps and low signal level and communications systems
Количество страниц оригинала
16
Постоянная ссылка
https://www.standards.ru/document/6802035.aspx