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1. «Справочник сваршика. М., «Машиностроение , 1974, стр. 195, абз. 4 и стр. 128 (прототин).1. “Handbook of welders. M., “Mechanical Engineering, 1974, p. 195, Abs. 4 and p. 128 (Prototin).
SU2161607A1975-08-011975-08-01
The method of removing slag from the weld
SU557888A1
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