In 1988 the first international conference on column flotation was held in Phoenix, Arizona by the Society of Mining Engineers of AIME, to mark this innovation.
1988年，关于浮选柱浮选的第一次国际大会由AIME矿业工程协会组织，在亚利桑那州的菲尼克斯举行，肯定了此发明。
In 1988 the first international conference on column flotation was held in Phoenix, Arizona by the Society of Mining Engineers of AIME, to mark this innovation.
1988年，关于浮选柱浮选的第一次国际大会由AIME矿业工程协会组织，在亚利桑那州的菲尼克斯举行，肯定了此发明。
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