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公开(公告)号:US3556885A
公开(公告)日:1971-01-19
申请号:US3556885D
申请日:1968-08-19
申请人: TETRA PAK AB
摘要: METHOD OF MANUFACTURING COVERED PAPER IN WHICH ONE SIDE OF THE EXTRUDED PLASTIC IS MAINTAINED AT A HIGH TEMPERATURE TO INSURE A GOOD BOND WITH THE PAPER AND THE OTHER SIDE IS COOLED RAPIDLY TO PREVENT OXIDATION.
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2.
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