METHOD OF MANUFACTURING DOUBLE-LAYER SPIRAL-SEAM PIPES

Bibliographische Detailangaben

Hauptverfasser:	KHRAPCHENKOV OLEG K,SU, BARANTSOV IVAN G,SU, FATEEV ANATOLIJ N,SU, GRUM-GRZHIMAJLO NIKOLAJ A,SU, LIFSHITS BORIS G,SU
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING
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