China 'GB/T 13235.2-1991
' standard english version:
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 13235.2-1991
Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Optical reference line method 石油和液体石油产品 立式圆筒形金属油罐容积标定法 (光学参比线法)
Issued Date:1991-11-06
Implemented Date:1992-07-01
Issued by:
The Standardization Administration of the People's Republic of China