高密度聚乙烯外护管聚氨酯泡沫塑料预制直埋保温管高密度聚乙烯外护管聚氨酯泡沫塑料预制直埋保温管Preformed directly buried insulating pipes for polyurethand[PUR]foamed-plastics and high density polyethylene[PE]protect pipes
玻璃纤维增强塑料外护层聚氨酯泡沫塑料预制直埋保温管
Preformed directly buried insulating pipes for polyurethane (PUR) foamed plastics and glass fiber reinforced plastics protect layers
2001-02-05
CJ/T 480-2015
高密度聚乙烯外护管聚氨酯发泡预制直埋保温复合塑料管
Prefabricated directly buried composite insulating pipes with polyurethane (PUR) foamed-plastics and high density polyethylene (PE) casing pipes
2015-11-23
GB/T 37263-2018
高密度聚乙烯外护管聚氨酯发泡预制直埋保温钢塑复合管
Prefabricated directly buried insulating plastic-steel-plastic composite pipes with polyurethane(PUR) foamed-plastics and high density polyethylene(PE) casing pipes
2018-12-28
GB/T 38097-2019
城镇供热 玻璃纤维增强塑料外护层聚氨酯泡沫塑料预制直埋保温管及管件
Urban heating—Prefabricated directly buried insulating pipes and fittings with polyurethane(PUR) foamed-plastics and glass fiber reinforced plastics protect layers