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公开(公告)号:US3336870A
公开(公告)日:1967-08-22
申请号:US48829365
申请日:1965-09-17
Applicant: GUNYAN ROBERT B , SACHS CRAWFORD L
Inventor: GUNYAN ROBERT B , SACHS CRAWFORD L
公开(公告)号:US3336870A
公开(公告)日:1967-08-22
申请号:US48829365
申请日:1965-09-17
Applicant: GUNYAN ROBERT B , SACHS CRAWFORD L
Inventor: GUNYAN ROBERT B , SACHS CRAWFORD L