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公开(公告)号:US3167609A
公开(公告)日:1965-01-26
申请号:US22611562
申请日:1962-09-25
Applicant: DETROIT PARTITION CO
Inventor: BRANN DONALD T
公开(公告)号:US3167609A
公开(公告)日:1965-01-26
申请号:US22611562
申请日:1962-09-25
Applicant: DETROIT PARTITION CO
Inventor: BRANN DONALD T