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公开(公告)号：US2449822A
公开(公告)日：1948-09-21
申请号：US52009044
申请日：1944-01-28
Applicant: SVENSKA CELLULOSA AB
Inventor： BENEDICTUS SCHIBBYE LAURITZ
IPC: F28D7/02
CPC classification number: F28D7/024 , Y10S165/438
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