GB/T 40402-2021

Active

Pre-insulated composite plastic pipes with polyethylene casing

聚乙烯外护管预制保温复合塑料管

Standard Type
GBT
ICS
91.140.10
CCS
P46
Status
现行
Issue Date
2021-08-20
Implementation
2022-03-01
Responsible Dept
住房城乡建设部
Drafting Unit
N/A