T/GZHG 029-2022
Anhydrous phosphogypsum modified polyvinyl chloride square double-wall corrugated pipe for power and communication (English Version)

Standard No.

T/GZHG 029-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/GZHG 029-2022

T/GZHG 029-2022 history

• 2022 T/GZHG 029-2022 Anhydrous phosphogypsum modified polyvinyl chloride square double-wall corrugated pipe for power and communication