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公开(公告)号：US2395668A
公开(公告)日：1946-02-26
申请号：US41774441
申请日：1941-11-03
Applicant: MINNESOTA MINING & MFG
Inventor： WALDO KELLGREN , HURD WARREN D
CPC classification number: B29C37/0067 , B29K2021/00 , C09J7/401 , C09J2201/606 , C09J2400/283 , C09J2401/005 , C09J2491/005 , Y10S36/01 , Y10T428/1419 , Y10T428/24455 , Y10T428/2857 , Y10T428/2883
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