GB 13658-92

Polymethylene polyphenyl isocyanate

多亚甲基多苯基异氰酸醋

Standard Type

GB

ICS

N/A

CCS

N/A

Status

N/A

Issue Date

N/A

Implementation

N/A

Responsible Dept

N/A

Drafting Unit

N/A

📚 References & Relations / 引用与关联

normative_reference GB 12009.

normative_reference GB 4472

normative_reference GB 6678

normative_reference GB 668