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公开(公告)号:US1141664A
公开(公告)日:1915-06-01
申请号:US1914847609
申请日:1914-06-27
Applicant: CURTIS PUBLISHING COMPANY
Inventor: STIEFEL FRANK CARL
CPC classification number: A47K10/025
公开(公告)号:US1141664A
公开(公告)日:1915-06-01
申请号:US1914847609
申请日:1914-06-27
Applicant: CURTIS PUBLISHING COMPANY
Inventor: STIEFEL FRANK CARL
CPC classification number: A47K10/025