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发布时间：1998-06-11
实施时间：1999-01-01
本标准规定了增产菌芽抱杆菌(Bacillussp.)产品在多种作物上的使用方法、使用时间、操作规程和..
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发布时间：1994-05-13
实施时间：1994-05-30
本标准规定了微生物肥料产品的分类、技术要求、试验方法、检验规则、包装、标志、运输与贮存。本标准适用于..
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