Jiqi gypsum block industry standard JC / T698-. to the word version, thank you! The The Building industry industry standards
This standard applies to the production and inspection of Portland cement and ordinary Portland cement
Deuterated Portland Cement Standard Name: Portland Cement, Ordinary Portland Cement Standard Type: People's Republic of China National Standard Standard: GB175-92 Standard Release Date: 1 Subject Content and Scope This standard specifies the definition, component materials, technical requirements, test methods and inspection rules of Portland cement and ordinary portland cement