残膜回收机械化技术的专利分析研究
Chinese Agricultural Mechanization（2009）
Abstract
机械回收地膜是目前解决残膜污染的有效途径。本文从申请区域分布、申请时间分布、专利权人分布、技术组成情况等方面分析了残膜回收机械化技术的专利现状,提出相应的发展意见。
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Key words
used plastic film collecting,agricultural engineering,patent analysis,white pollution
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