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公开(公告)号:US3540172A
公开(公告)日:1970-11-17
申请号:US3540172D
申请日:1968-06-27
Applicant: STANRAY CORP
Inventor: HUBBELL CLARENCE E
CPC classification number: B61D17/16
公开(公告)号:US3540172A
公开(公告)日:1970-11-17
申请号:US3540172D
申请日:1968-06-27
Applicant: STANRAY CORP
Inventor: HUBBELL CLARENCE E
CPC classification number: B61D17/16