标准介绍
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最新版内容查询,英语名称Urban heating—Prefabricated directly buried insulating pipes and fittings with polyurethane(PUR) foamed-plastics and glass fiber reinforced plastics protect layers,发布日期:2019-10-18,实施日期:2020-09-01,GB/T38097-2019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国家标准最新版免费下载
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