T/GZHG 017-2020
Phosphogypsum Reinforced Polyvinyl Chloride Porous Polygonal Pipe for Communication (English Version)

Standard No.

T/GZHG 017-2020

Language

Chinese, Available in English version

Release Date

2020

Published By

Group Standards of the People's Republic of China

Latest

T/GZHG 017-2020

T/GZHG 017-2020 history

• 2020 T/GZHG 017-2020 Phosphogypsum Reinforced Polyvinyl Chloride Porous Polygonal Pipe for Communication