GB/T 2680-1994

Determination of light transmittance, solar direct transmittance, total solar energy transmittance and ultraviolet transmittance for glass in building and related glazing factors

NORMA vydaná dňa 30.12.1993

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The information about the standard:

Designation standards: GB/T 2680-1994
Note: NEPLATNÁ
Publication date standards: 30.12.1993
Country: Chinese technical standard
Kategória: Technické normy GB