GB/T 29047-2021

Active

Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes

高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件

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