ISO TR 8509:1987被替代
Information Processing Systems - Open Systems Interconnection - Service Conventions
出版：International Organization for Standardization
专家解读视频
1987
NBN EN 29646-3:1994 - Identical
GB/T 15129-1994 - Identical
NBN EN 29506-4:1994 - Identical
NBN EN 29506-3:1994 - Identical
NBN EN 29506-2:1994 - Identical
NBN EN 29506-3 : 1994 - Identical
NBN EN 29506-4 : 1994 - Identical
NZS/ISO TR 8509 : 1987 - Identical
SAC GB/T 15129 : 1994 - Identical
NZS/ISO TR 8509 : 1987 - Identical
AS 3620-1989 - Identical
NBN EN 29506-4 : 1994 - Identical
SAC GB/T 15129 : 1994 - Identical
NBN EN 29506-2 : 1994 - Identical
NBN EN 29646-3 : 1994 - Identical
NBN EN 29506-3 : 1994 - Identical
NZS/ISO TR 8509 : 1987 - Identical
