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公开(公告)号：US2967085A
公开(公告)日：1961-01-03
申请号：US66231657
申请日：1957-05-29
Applicant: STOCKHOLMS SUPERFOSFAT FAB AB
Inventor： OLOF SUNDEN , HUGO SONNERSKOG SVEN , BARTHOLD SUNDEN NILS , ERIK LARSSON HANS
IPC: D01F6/18
CPC classification number: D01F6/18 , D01F6/38 , D01F13/04 , Y02P70/629
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