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1.Towers for bleaching pulp material, especially cellulose pulp 失效
Title translation: 用于漂白纸浆材料的塔,特别是纤维素纸浆公开(公告)号:US3053069A
公开(公告)日:1962-09-11
申请号:US86262159
申请日:1959-12-29
Applicant: SUNDS VERKST ER AKTIEBOLAG
Inventor: GUSTAV LEFFLER NILS
IPC: D21C9/10
CPC classification number: D21C9/10
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公开(公告)号:US3053068A
公开(公告)日:1962-09-11
申请号:US75609158
申请日:1958-08-20
Applicant: SUNDS VERKST ER AKTIEBOLAG
Inventor: GUSTAV LEFFLER NILS
IPC: D21C9/10
CPC classification number: D21C9/10
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公开(公告)号:US2891589A
公开(公告)日:1959-06-23
申请号:US59094856
申请日:1956-06-12
Applicant: SUNDS VERKST ER AKTIEBOLAG
Inventor: GUSTAV LEFFLER NILS
IPC: B27L1/04
CPC classification number: B27L1/045
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