Home / Standards / SY/T 5477-1992 SY/T 5477-1992 Abolished 碎屑岩成岩阶段划分规范 Standard Type SY ICS N/A CCS N/A Status Abolished Issue Date 1992-09-17 Implementation 1993-02-01 Centralized Committee 能源部 Issuing Authority 能源部