国家标准物质-标准物质实验室【北京华研】
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BYZ6649-2016E 水质总磷(标样)水质总磷(标样) Total phosphorus in Water quality (standard sample) 20mL
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BYZ6649-2016D 水质总磷(标样)水质总磷(标样) Total phosphorus in Water quality (standard sample) 20mL
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BYZ6649-2016C 水质总磷(标样)水质总磷(标样) Total phosphorus in Water quality (standard sample) 20mL
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BYZ6649-2016B 水质总磷(标样)水质总磷(标样) Total phosphorus in Water quality (standard sample) 20mL
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BYZ6649-2016A 水质总磷(标样)水质总磷(标样) Total phosphorus in Water quality (standard sample) 20mL
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BYZ6648-2016F 水质总氮(标样)水质总氮(标样) Total nitrogen in water quality (standard sample) 20mL
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BYZ6648-2016E 水质总氮(标样)水质总氮(标样) Total nitrogen in water quality (standard sample) 20mL
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BYZ6648-2016D 水质总氮(标样)水质总氮(标样) Total nitrogen in water quality (standard sample) 20mL
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BYZ6648-2016C 水质总氮(标样)水质总氮(标样) Total nitrogen in water quality (standard sample) 20mL
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BYZ6648-2016B 水质总氮(标样)水质总氮(标样) Total nitrogen in water quality (standard sample) 20mL
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