Pencil on paper student's technical drawings .1) Diaphragm valve assembly and main components .2) Diaphragm valve detail and parts .3) Centrifugal pump detailstechnical drawing, lyall e campbell, diaphgram valve, centifugal pump, school of mines ballarat

Pencil on paper student's technical drawing of a steel standardtechnical drawing, diaphgram valve, donald stevens, steel standard, school of mining ballarat