亚洲av首页在线,性少妇videosexfreexxxx片 ,无码无套少妇毛多69xxx,亚洲av片毛片成人观看,无码国内精品久久人妻

Weak acid cleaning agent for medical use

Details

It is suitable for all kinds of automatic cleaning system, such as ultrasonic cleaning machine and manual cleaning of ultrasonic knife and eschar surgical instruments of all kinds of materials.