
Revision Of Bs 6828 Dental Rotary Instruments. Part 1: Specification For Shanks. Section 1.1: 1987 Metallic Shanks (iso/dis 1797-1)
出版:British Standards Institution

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Revision Of Bs 6828 Dental Rotary Instruments. Part 1: Specification For Shanks. Section 1.1: 1987 Metallic Shanks (iso/dis 1797-1)
出版:British Standards Institution
专家解读视频