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咨询: GBT 3256.1-1982 电真空用锆粉化学分析方法 重量法测定总锆及活性锆 Chemical analysis of zirconium powder for electro-vacuum uses--The gravimetric method for determination of total zirconium and active zirconium 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: | |||||||||||
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咨询: GBT 3256.1-1982 电真空用锆粉化学分析方法 重量法测定总锆及活性锆 Chemical analysis of zirconium powder for electro-vacuum uses--The gravimetric method for determination of total zirconium and active zirconium 电话:400 810 0369(当地市话费) ; MSN & E-mail:zxd711020@hotmail.com gbstandard@hotmail.com chinastandard@hotmail.com ; QQ: |
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