books vacuum degasser
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# degasser
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# Spatial geometry in a vacuum
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# Vacuum trusses in Labmbani
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# Vacuum distillation residue
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مزيل غازات فراغي (Info)
مزيل غازات فراغيّ:- جهاز يعمل تحت ضغط فراغي يستخدم لإزالة الغازات المنحلة في سائل (المعجم الموحد لمصطلحات الهندسة المدنية)
