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  4. Standard "GB 7228-1987"
WITHDRAWN GB 7228-1987 3.2.1987 preview

GB 7228-1987

Measuring and calculating method on efficiency of rectifiers and their consumers energy-conversion efficiency in electro-chemical industry

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STANDARD published on 3.2.1987


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Price526.80 USD excl. VAT
526.80 USD

The information about the standard:

Designation standards: GB 7228-1987
Note: WITHDRAWN
Publication date standards: 3.2.1987
SKU: NS-896747
Country: Chinese technical standard
Category: Technical standards GB

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