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公开(公告)号：US3356015A
公开(公告)日：1967-12-05
申请号：US47007165
申请日：1965-07-07
Applicant: TAMPELLA OY AB
Inventor： HALMEKYTO KAARLO K
CPC classification number: B30B9/06 , B30B9/301 , B30B9/3039
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