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公开(公告)号:US2685235A
公开(公告)日:1954-08-03
申请号:US5469748
申请日:1948-10-15
Applicant: SVENSKA CELLULOSA AB
Inventor: ROLAND LINDBLAD KARL
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公开(公告)号:US2537414A
公开(公告)日:1951-01-09
申请号:US64533846
申请日:1946-02-04
Applicant: SVENSKA CELLULOSA AB
Inventor: ROLAND LINDBLAD KARL
IPC: D21F1/66
CPC classification number: D21F1/66
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公开(公告)号:US2532415A
公开(公告)日:1950-12-05
申请号:US66339346
申请日:1946-04-19
Applicant: SVENSKA CELLULOSA AB
Inventor: ROLAND LINDBLAD KARL
IPC: D21F1/66
CPC classification number: D21F1/66
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