GB/T 13941-92
Diphenylmethane 4,4'-diisocyanate
二苯基甲烷4,4’一二异氰酸酯
📚 References & Relations / 引用与关联
normative_reference
GB 12009.
normative_reference
GB 3143
normative_reference
GB 601
normative_reference
GB 6678
normative_reference
GB 6679
normative_reference
GB 7533