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1.发明授权Apparatus for treatment of solutions by bodies of granular substances which may be regenerated 失效用于处理可以再生的颗粒状物质的溶液的装置
公开(公告)号：US3302791A
公开(公告)日：1967-02-07
申请号：US31177463
申请日：1963-09-26
Applicant: GIUSEPPE ASSALINI , GIUSEPPINA BRANDOLI
Inventor： GIUSEPPE ASSALINI , GIUSEPPINA BRANDOLI
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