高密度聚乙烯无缝外护管预制直埋保温管件
Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe

2020-11-19

城镇供热 钢外护管真空复合保温预制直埋管及管件
Urban heating—Steel jacket prefabricated directly buried pipes and fittings with vacuum insulating layers

2019-10-18

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

2021-08-20

硬质聚氨酯喷涂聚乙烯缠绕预制直埋保温管
Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes

2017-10-14

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

2019-10-18

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

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

高密度聚乙烯外护管聚氨酯硬质泡沫塑料预制直埋保温管件
Preformed directly buried insulating fittings with polyurethane [PUR] foamed-plastics and high density polyethylene [PE] casing pipes

2001-09-30

District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
区域供暖管道.直埋热水管网用预绝缘粘结管道系统.钢制供水管、聚氨酯隔热和聚乙烯外壳的配件组件

2010-12-01

District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene
区域供暖管道 直埋热水管网用粘结单管系统 工厂制造的钢制供水管道配件、聚氨酯隔热材料和聚乙烯外壳

2019-10-29

District cooling pipes. Bonded single pipe systems for directly buried cold water networks-Factory made fitting assemblies of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene
区域冷却管 直埋冷水管网用粘结单管系统

2021-09-07

District heating pipes. Bonded twin pipe systems for directly buried hot water networks-Factory made fitting and valve assemblies of steel service pipes, polyurethane thermal insulation and one casing of polyethylene
区域供暖管道 直埋热水管网的粘结双管系统 工厂制造的配件和阀门组件 包括钢制供水管、聚氨酯隔热材料和一个聚乙烯外壳

2019-11-05

District cooling pipes - Bonded single pipe systems for directly buried cold water networks - Part 2: Factory made fitting assemblies of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene
区域冷却管.直埋冷水管网用粘结单管系统.第2部分:钢或塑料供水管、聚氨酯隔热和聚乙烯套管的工厂制配件组件

2021-11-01