
General principles for the formulation of graphical symbols
出版:International Electrotechnical Committee

专家解读视频
Gives principles for the design of graphical symbols for use on equipment, and also contains rules for drawing the symbols as well as rules concerning their shapes and dimensions and utilization instructions. (Text identical to ISO 3461-1.)
BIS IS 12857:1989 (R2002) - Identical
AS 1104-1978 - Identical
UNE 21416:1993 - Identical
SS IEC 416 Ed. 1 (1990) - Identical
ISO 3461-1:1988 - Identical
NFC 03 416:1996 - Identical
DIN 32830-1 (1992-01) - Identical
BS 7477:1991 - Identical
HD 571:1990 - Identical
ONORM ISO 3461-1:1990 - Identical
NEN 10416:1997 - Identical