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1.Process for improving the retention of mineral fillers in the formation of paper fleeces 失效
Title translation: 改善矿物填料在纸屑形成中的保留性的方法公开(公告)号:US3128223A
公开(公告)日:1964-04-07
申请号:US16038061
申请日:1961-10-24
Applicant: HOECHST AG
Inventor: VON ROSENBERG GUIDO , HELLMUT JOCHINKE , OTTO HUBER