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This standard specifies the test method for the thickness of the pile on the carpet base. This standard applies to all carpets who
This standard specifies the technical requirements, test methods and inspection rules for white or near-white paint coatings on me
This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging and storage
This standard specifies the method and requirements for determining the linear shrinkage of ceramic green clay by measuring the di
This standard specifies the method for determining the sintering temperature range of ceramic materials using a high-temperature d
QB 1771-1993 Ethyl Propionate QB1771-1993 Standard download decompression password: www.bzxz.net
This standard specifies the method and requirements for calculating the relative viscosity, relative fluidity and thixotropy of mu
This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, marking, tr