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公开(公告)号:US2025930A
公开(公告)日:1935-12-31
申请号:US70870934
申请日:1934-01-27
Applicant: C A REED COMPANY
Inventor: BARTLETT FLOYD H
公开(公告)号:US2025930A
公开(公告)日:1935-12-31
申请号:US70870934
申请日:1934-01-27
Applicant: C A REED COMPANY
Inventor: BARTLETT FLOYD H