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公开(公告)号：US3224359A
公开(公告)日：1965-12-21
申请号：US30397963
申请日：1963-08-01
Applicant: WEIGELWERK A G
Inventor： WALTER SPIELVOGEL
CPC classification number: C12C7/24 , B01D29/356 , B01D33/042 , B01D33/37 , B01D33/466 , B01D33/705 , B01D33/802 , B01D36/045 , B01D2201/204 , C12C7/163
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