China 'GB/T 36520.4-2019
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 36520.4-2019
Hydraulic fluid power—Dimensions and tolerances of polyurethane seals—Part 4:Dimensions and tolerances of seals for cylinder port 液压传动 聚氨酯密封件尺寸系列 第4部分:缸口密封圈的尺寸和公差
Issued Date:2019
Implemented Date:
Issued by:
The Standardization Administration of the People's Republic of China