发明名称 Drained and cushioned feed lot for livestock
摘要 A base for a feed lot composed of baled rubber material such as waste tires. The bales are placed beneath the surface of the feed lot and covered with earth. Any gaps between bales are filled with sand to provide for good drainage of the lot.
申请公布号 US5967092(A) 申请公布日期 1999.10.19
申请号 US19970979720 申请日期 1997.11.28
申请人 PEDERSON, LES 发明人 PEDERSON, LES
分类号 A01K1/015;(IPC1-7):A01K1/00 主分类号 A01K1/015
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