ISO 3511-1:1977现行
Process measurement control functions and instrumentation - Symbolic representation Part 1: Basic requirements
出版：International Organization for Standardization
专家解读视频
NBN E 51 007:1989 - Identical
NBN E 51 006:1989 - Identical
NBN E 51 003:1988 - Identical
DIN 19227-1 (1993-10) - Identical
NS 1710 Ed. 2 (1986) - Similar
NS 1438 Ed. 1 (1979) - Identical
BS 1646-1:1979 - Equivalent
UNE 1096-1:1983 - Identical
SS ISO 3511-1 Ed. 1 (1990) - Identical
BIS IS 12754-1:1989 (R2005) - Identical
