GOST 20084-1974 Iron pattern plates for moulding boxes having inside dimensions 400 x 300 mm, 450 x 350 mm, 500 x 400 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions
1974GOST 20084-1974 Iron pattern plates for moulding boxes having inside dimensions 400 x 300 mm, 450 x 350 mm, 500 x 400 mm for moulding foundry machines without turn of half mould with squeezing. Design and dimensions