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2、 .2 5.1 .2 5.2 .2 5.3 .2 5.4 .2 5.5 .2 6 2 6.1 2 6.2 2 6.3 2 6.4 2 7 2 8 .3 KS P 7412: 2007 (2012 ) Dental operating knives 1 ( , .) . 2 . . KS B 0806, KS D 3698, KS D 3753, KS D 6024, KS D 8302, KS P 1001, 3 1 . 1 : mm L l1 l2 W 140 150 150 381 481 481 121 181 181 6.00.3 3.70.3 3.70.3 4 KS D 3698 S
3、TS 440A . , KS D 3753 STS 2, KS D 6024 1 . KS D 8302 . KS P 7412: 2007 2 5 5.1 , , . 5.2 6.1 HRC 55 . 5.3 6.2 B . 5.4 6.3 2 . 5.5 KS D 8302 Ep-Cu/Ni I Ep-Cu/Cr I , KS D 8302 Ep-Fe/Ni I Ep-Fe/Cr I . 6 6.1 KS B 0806 . . 6.2 KS P 1001 . 6.3 KS P 1001 . 6.4 KS D 8302 . 7 . KS P 7412: 2007 3 8 . 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ KS P 7412: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Dental operating knives ICS 11.060.20 Korean Agency for Technology and Standards http:/www.kats.go.kr