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xmdynachem.comxmdynachem.com/upload/up/files/dazong.pdf · 2012-01-19 · OA30 IZOD)gþ (1.8MPa) MPa MPa G pa J/m J/m OAIO OA20 D792 D570 LD638 D638 D790 D790 D256 D256 D785 qiJ(S45C)
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