发明名称 Perforator for rotary file card produces hole with perforation head spaced out from edge of sheet, and hole neck extending from hole head to edge of sheet
摘要 The office or domestic perforator produces at least one circular hole (17) in a sheet or card. The hole stamped by the perforator has a hole head which is spaced out from the edge of the sheet, and a hole neck which extends from the hole head to the edge of the sheet. The neck may be narrower than the head and may be cut in.
申请公布号 DE10012989(A1) 申请公布日期 2001.09.20
申请号 DE20001012989 申请日期 2000.03.16
申请人 IMGART, RUEDIGER 发明人 IMGART, RUEDIGER
分类号 B26D9/00;B26F1/12;B26F1/36;B42F3/00;(IPC1-7):B26F1/36;B42F13/00 主分类号 B26D9/00
代理机构 代理人
主权项
地址