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公开(公告)号：US3523148A
公开(公告)日：1970-08-04
申请号：US3523148D
申请日：1968-01-04
Applicant: BATTELLE DEVELOPMENT CORP
Inventor： BOYER CHARLES B , CONAWAY ROBERT M
CPC classification number: B30B11/001 , B30B5/02
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