أبونوافل
2019-02-03, 07:26
كتاب التصميمات الهيدروليكية
لشبكات وخطوط أنابيب نقل البترول طبعة 2019
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لشبكات وخطوط أنابيب نقل البترول طبعة 2019
https://www.djelfa.info/vb/attachment.php?attachmentid=149569&stc=1&d=1549174668
https://www.djelfa.info/vb/attachment.php?attachmentid=149570&stc=1&d=1549174705
https://www.gulf-up.com/b8f8guw6m5ov