DB31/ 93-1992
Classification and test method of fire-resistant performance of fire-resistant sealing materials for plastic pipe penetration holes (English Version)

Standard No.

DB31/ 93-1992

Language

Chinese, Available in English version

Published By

Shanghai Provincial Standard of the People's Republic of China

Latest

DB31/ 93-1992

DB31/ 93-1992 history

• 1970 DB31/ 93-1992 Classification and test method of fire-resistant performance of fire-resistant sealing materials for plastic pipe penetration holes