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公开(公告)号：US3473694A
公开(公告)日：1969-10-21
申请号：US3473694D
申请日：1967-08-25
Applicant: INT PAPER CANADA
Inventor： MURPHY JAMES A , WATKINS CECIL H , DEWHURST ERNEST JAMES , ENGEL CARL
CPC classification number: B65D83/0811
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