发明名称 FISHING WEIGHT FOR PREVENTING WATER POLLUTION
摘要 Disclosed is a method for manufacturing a fishing weight (100) which prevents an environmental pollution. The method includes the steps of molding the fishing weight with a ceramic material and heating the molding material up to a predetermined temperature to convert the heated material into a pure earth material.
申请公布号 WO9918778(A1) 申请公布日期 1999.04.22
申请号 WO1998KR00083 申请日期 1998.04.07
申请人 KIM, MANJOO 发明人 KIM, MANJOO
分类号 A01K95/00 主分类号 A01K95/00
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