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公开(公告)号:US2737087A
公开(公告)日:1956-03-06
申请号:US15786950
申请日:1950-04-25
Applicant: INT PAPER CANADA
Inventor: BENNETT WESTON T
IPC: D21F1/02
公开(公告)号:US2737087A
公开(公告)日:1956-03-06
申请号:US15786950
申请日:1950-04-25
Applicant: INT PAPER CANADA
Inventor: BENNETT WESTON T
IPC: D21F1/02