\u0413\u041e\u0421\u0422 \u0420 \u0418\u0421\u041e 8573-8-2007
Compressed air. Part 8. Test methods for solid particle content by mass concentration
ISO 8573-8:2004
Compressed air — Part 8: Test methods for solid particle content by mass concentration
KS B ISO 8573-8-2005(2010)
Compressed air-Part 8:Test methods for solid particle content by mass concentration