GB/T 7991-1987

Method for measuring the thickness of glass-lined layer by electro-magnetic meter

NORMA vydaná dňa 24.6.1987

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The information about the standard:

Designation standards: GB/T 7991-1987
Note: NEPLATNÁ
Publication date standards: 24.6.1987
Country: Chinese technical standard
Kategória: Technické normy GB