www.bjpttc.com
铅标准溶液-锌-石油类浊度-铜标准溶液-北京普天同创生物科技
北京普天同创生物科技(www.bjpttc.com)是一家专注于铜标准溶液|铅|锌标准溶液,石油类标准溶液,浊度标准溶液,高锰酸盐指数CODMn标准溶液和计量仪器领域的科研企业,公司拥有国内外数十万种标准物质,标准品等计量检测专用化学制剂,自主研发具有先进水平的精密计量器具,荣获多项证书
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