1.5.1 GB/T 23615.2-2017 Thermal insulation materials for aluminum alloy building profiles Part 2: Polyurethane thermal insulation adhesive

Knowledge

1.5.1 gb/t 23615.2-2017 thermal insulation materials for aluminum alloy building profiles part 2: polyurethane thermal insulation adhesive

2023年10月26日 12Like 134read Comments

Knowledge

1.5.1 gb/t 23615.2-2017 thermal insulation materials for aluminum alloy building profiles part 2: polyurethane thermal insulation adhesive

2023年10月23日 13Like 111read Comments