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1.发明授权Control of the rate of precipitate growth and of precipitation in aqueous systems 失效降低生长和降水在水质体系中的速度控制
公开(公告)号：US3518204A
公开(公告)日：1970-06-30
申请号：US3518204D
申请日：1967-11-01
Applicant: BETZ LABORATORIES
Inventor： HANSEN GERALD D JR , GUTHRIE ELIZABETH A
CPC classification number: C02F5/12
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公开(公告)号：US3547817A
公开(公告)日：1970-12-15
申请号：US3547817D
申请日：1967-06-22
Applicant: BETZ LABORATORIES
Inventor： HANSEN GERALD D JR , GUTHRIE ELIZABETH A
CPC classification number: C02F5/08 , Y10S507/927
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