Poneumatic Dancharge Valical Vave
Poneumatic Dancharge Valical Vave
1,Moralo le tlhahiso: GB / T12237-1989;
2, Tlhahlobo le Teko: GB / T13927-1992;
3 ,FKhokahanyo ea Langed: GB / t9115.1-2000.
4,Mokhahlelo oa sefahleho sa sefahleho: JD-2002.
Ngola molaetsa oa hau mona 'me u e romelle ho rona