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   PetroC New Member

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   Cho ai cần tham khảo nhé :Tài liệu giới thiệu về đường ống, các loại van, mặt bích,...
   https://drive.google.com/file/d/0B3cF3BZi-5VpeThtMDRCNy1hM1k/view?usp=sharing

    

   PetroC, Nov 18, 2015

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   kzam, yukida and admin like this.

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