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النظام الوطني للاعتمادASTM [)5837-15 Visual- ASTM 02680 & D4176/QMTL-SOP- 24 ASTM [)4052-16/ ASTM [)1298- 12b(2017) ASTM DI 500-12 ASTM D445-17a ASTM 095-13 ASTM
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