CAN/ULC S770 Standard Test Method for the Determination of Long-Term Thermal Resistance of Closed-Cell Thermal Insulating Foams
CAN/ULC S770 闭孔保温隔热泡沫的长期耐热性的测试标准
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加拿大CAN/ULC S102/135认证 http://www.firete.com/popular_standards/7922.html
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