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公开(公告)号:US2420111A
公开(公告)日:1947-05-06
申请号:US59623845
申请日:1945-05-28
Applicant: SALSBURY CORP
Inventor: THOSTENSON LEWIS D
公开(公告)号:US2420111A
公开(公告)日:1947-05-06
申请号:US59623845
申请日:1945-05-28
Applicant: SALSBURY CORP
Inventor: THOSTENSON LEWIS D