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Standard VSN 21-77 1.1.1978 preview

VSN 21-77

Instruction for design of heating and ventilation systems of oil refining and petrochemical enterprises



STANDARD published on 1.1.1978


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Price237.00 USD excl. VAT
237.00 USD

The information about the standard:

Designation standards: VSN 21-77
Publication date standards: 1.1.1978
SKU: NS-578867
The number of pages: 25
Approximate weight : 75 g (0.17 lbs)
Country: Russian technical standard
Category: VSN

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