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GB 4689.4-1984 皮革一物理性能测试厚度的测定

GB 4689.4-1984.Leather一Physical testiog - Measurement of thickness.GB 4689.4适用于任...

GB 25115.5-2010/ISO 10472-5: 1997.Safety requirements for industrial laundry mac...

GB 25115.6-2010/ISO 10472-6: 1997.Safety requirements for industrial laundry mac...

GB/T 4548.2-2003.Glassware-Hydrolytic resistance of the interior surfaces idt IS...

GB/T 4548-1995.Test method and classification for hydrolytic resistance of the i...

GB 4689. 10-1984.Leather一Determination of apparent density.GB 4689. 10规定了视密度的测定方...

GB 4689.11-1984.Leather一P reparation of chemical test samples.GB 4689.11规定了皮革化学分...

GB 4689.12-1984.Leather - Determination of water and other vo]atile matter.GB 46...

GB 4689.13-1984.Leather一Determination of matter soluble in dichlor omethane.GB 4...

GB 4689.14-1984.Leather一Determination of sulphated total ash and sulphated Water...

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