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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34611-2017 |
Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes 硬质聚氨酯喷涂聚乙烯缠绕预制直埋保温管 |
China National Standards Rigid polyurethane spray |
 English PDF |
| GB/T 20219-2015 |
Rigid cellular plastics-spray-applied polyurethane foam for thermal insulation 绝热用喷涂硬质聚氨酯泡沫塑料 |
China National Standards Rigid polyurethane spray |
English PDF |
| GB/T 30916-2014 |
Blend polyol for rigid polyurethane foam used in spraying 喷涂硬质聚氨酯泡沫组合聚醚 |
China National Standards Rigid polyurethane spray |
English PDF |
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