YSJ 406-1989
Construction operation specification for bricklaying engineering (English Version)

Standard No.

YSJ 406-1989

Language

Chinese, Available in English version

Published By

Professional Standard - Non-ferrous Metal

Latest

YSJ 406-1989

YSJ 406-1989 history

• 1970 YSJ 406-1989 Construction operation specification for bricklaying engineering