مضخة تفريغ يدوية تستخدم لاستخراج الهواء من دورق زجاجي للمختبر أو زجاجة زجاجية لخلق بيئة فراغية
مميزات خاصة
- 1, Used to extract air from container such as glass flask, glass bottle. 2, Usually used to create negative pressure for speeding filtering material
وصف
1, Used to extract air from container such as glass flask, glass bottle. 2, Usually used to create negative pressure for speeding filtering material
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