ISO 21950:2001現行
Coated abrasives - Plain discs
出版：International Organization for Standardization
專家解讀視頻
This International Standard specifies the nominal dimensions, tolerances and designations of plain discs.It applies to plain discs intended for use on mobile and hand held grinding machines.
NEN ISO 21950:2003 - Identical
SS ISO 21950 Ed. 1 (2001) - Identical
NF ISO 21950:2001 - Identical
DIN ISO 21950 (2001-11) - Identical
BS ISO 21950:2001 - Identical
SN ISO 21950:2001 - Identical
KS L 6498:2002 - Modified
GB/T 19759-2005 - Modified
