
Graphical symbols for diagrams Part 4: Actuators and related devices
出版:International Organization for Standardization

專家解讀視頻
GB/T 20063.4-2006 - Identical
JIS Z 8617-4:2008 - Identical
BS ISO 14617-4:2002 - Identical
SS ISO 14617-4 Ed. 1 (2002) - Identical