Dental rotary instruments specification for steel and carbide bur 牙科旋转器械.钢和硬质合金.牙钻技术条件
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Dental rotary instruments . burs . part 1 : steel and carbide burs 牙科用旋转器械.牙钻.第1部分:钢制牙钻和硬质合金牙钻
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Dental rotary instruments - burs - part 1 : steel and carbide burs iso 3823 - 1 : 1997 ; german version en iso 3823 - 1 : 1998 牙科旋转器械.牙钻.第1部分:钢制牙钻和硬质合金牙钻