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1)Sheffield smoothchek instrument Sheffield,平滑度测定仪2)Sheffield tester Sheffield,平滑度测定仪3)smoothness tester,平滑度测定仪4)Scheid tester Scheid,平滑度测定仪5)Bekk smoothness tester Bekk,平滑度测定仪6)Chapman smoothness tester Chapman,平滑度测定仪7)Sheffield smoothchek instrument,Sheffield平滑度测定仪8)Sheffield tester,Sheffield平滑度测定仪9)Beka smoothness tester,贝克纸张平滑度测定仪10)paper smoothness tester with vacuum pump,带真空泵的纸张平滑度测定仪
