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公开(公告)号:US2823126A
公开(公告)日:1958-02-11
申请号:US55708556
申请日:1956-01-03
Applicant: SHARPLES CORP
Inventor: LITTLE THOMAS H
公开(公告)号:US2823126A
公开(公告)日:1958-02-11
申请号:US55708556
申请日:1956-01-03
Applicant: SHARPLES CORP
Inventor: LITTLE THOMAS H