00871nam a2200241 c 4500001001500000005001500015008004100030040001900071041001300090049003000103052002200133056001400155082001500169100004800184245011400232260003600346300003600382502008000418653007300498950002100571963002000592965001700612KDM199217164  19941011223537930402s1991    bnkaf      FC 000   kor    a011001c0110010 akorbeng0 lEM960121lEM960122c2fDP01a581.33b조935ㅎ  a581.33230 a671.332191 a조해용,g趙海龍,d1957-0KAC20171343710a헬리컬기어의 냉간압출에 관한 연구=x(A)study on the cold extrusion of helical gear/d조해용  a부산:b부산대학교,c1991  av,151장:b삽도,도판;c26cm1 a학위논문(박사) --b부산대학교 대학원:c기계공학과,d1991  a헬리컬기어a냉간압출aSTUDYaCOLDaEXTRUSIONaHELICALaGEAR1 a비매품b\7000  a기계공학과  a냉각압출