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一种双峰聚乙烯制品的挤出成型方法
inventor/creator:王宗宝;别大奎;段天臣
Paten number/application number:ZL 2018 1 0610541.4
application/authorized announcemen date:2020-12-1
brief introduction:一种双峰聚乙烯制品的挤出成型方法