00774nam a2200241 c 4500001001500000005001500015008004100030040001900071041001300090049001700103052002100120056001300141082001400154100004800168245006900216260003600285300002500321502008600346653003900432950002100471963002600492965001400518KDM198403240  19941013095602840814s1983    ulka       AX 000   kor    a011001c0110010 akorbeng0 lEM413598fDM01a555.3b김789ㅊ  a555.3230 a681.22191 a김재열,g金在烈,d1958-0KAC20181718110a超音波 硬度計의 測定精度에 關한 硏究/d金在烈  a서울:b漢陽大學校,c1983  a36p.:b삽도;c27cm0 a학위논문(석사) --b漢陽大學校 大學院:c精密機械工學科,d1983  a초음파a경도계a측정정도0 a비매품b\1500  a정밀기계공학과  a경도계