SY 4058-1993
China industry
standard english version:
SY
中华人民共和国行业标准
INDUSTRY
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
SY 4058-1993
Code for construction and acceptance of coating defects on external anticorrosive and thermal insulated coatings for buried steel pipeline 埋地钢质管道外防腐层和保温层现场补口补伤施工及验收规范
Issued Date:1993
Implemented Date:1993
Issued by:
The Standardization Administration of the People's Republic of China