ISO 6164: 2018 square flange nrog o-ring raws li ISO 3601-1 tus qauv, qhov cim tseg thiab qhov ntev ntawm O-rings siv nyob rau hauv daim ntawv no (rau kev siv xwb) raws li ua raws li

ISO 6164: 2018 square flange nrog o-ring raws li ISO 3601-1 tus qauv, qhov cim tseg thiab qhov ntev ntawm O-rings siv nyob rau hauv daim ntawv no (rau kev siv xwb) raws li ua raws li
