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khalidmha

Khalid Hafez

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Personal Information
Organization / Workplace
Ha'il
Occupation
أستاذ مساعد

Presentations(1)Ìý

Chapter19
Chapter19Chapter19
Chapter19
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Documents(1)Ìý

Metallurgy and welding
Metallurgy and welding Metallurgy and welding
Metallurgy and welding
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