动员会专利名称：TRICKING FILTER
发明人：YAKUSHIJI KAZUNARI,OOMAE HARUKI 申请号：JP15128780
申请日：19801027
工伤报销
公开号：JPS5775189A
公开日：尼康镜头
仙人掌的
呼唤作文
19820511
专利内容由知识产权出版社提供
发动机噪音大是什么原因引起的
摘要：PURPOSE:To obtain a packing material for trickling filters which are difficult to clog by constituting the trickling filter for wage treatment by packing gravel-like crushed blast furnace slag. CONSTITUTION:The blast furnace slag obtained by cooling slowly the molten slag byproduced from a blast furnace in iron making is crushed. Gravel-like materials 1 of >=5mm. diameters made by this are packed to form a trickling filter. This filter bed is distributed uniformly with microbe membranes and has high adhesive power; therefore, short circuiting with microbes is difficult to occur. Hence, the life of the packing material is extended and the times for exchanging the same are decread.
殃及的意思
申请人：NITSUSHIN SEIKOU KK
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