au.\*:("VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY INSTITUT LITEINOGO MASHINOSTROENIA LITEINOI TEKHNOLOGII I AVTOMATIZATSII LITEINOGO PROIZVODSTVA")
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BREVET 2.124.166 (B) (7104429). A FEVRIER 1971. TETE A JET DE SABLEsdPatent
