显微硬度块

规格:HV (200-300)HV0.05
(200-300)HV0.1
(400-500)HV0.1
(400-500)HV 0.2
(700-800)HV0.2
(400-500)HV0.3
(700-800)HV0.3
(700-800)HV0.5
(700-800)HV1