Steel pattern plates with changeable metal inserts for moulding boxes having inside dimensions 1000x800 mm for moulding machines without turn of half mould without squeezing. Design and dimensions
Paints and varnishes. Test methods of metal content. Determination of 'soluble' hexavalent chromium content of pigment portion of the liquid paint or the paint in powder form. Diphenilcarbazide spectrophotometric method