发明名称 PROCESS FOR THE PREPARATION OF COMPOSITIONS CONTAINING CROSS-LINKED PHENOL AND/OR FURFURYL ALCOHOL/FORMALDEHYDE RESINS AND ADDITIVES AND SHAPING THEM
摘要 <p>Drilling device for producing drilled holes with recesses, having a drill bit (2) which has a cross-sectional widened portion and an axial through-bore (16) for drawing off the drillings. The suction cap (3) is held between a flange formed on a drill-bit holder (1) and a flange formed on the shank (13) and consists essentially of a tubular section having a suction nozzle. <IMAGE></p>
申请公布号 HU895257(D0) 申请公布日期 1990.01.28
申请号 HU19890005257 申请日期 1989.10.09
申请人 FISCHERWERKE ARTUR FISCHER GMBH. UND CO. KG,DE 发明人 FISCHER,ARTUR,DE
分类号 B28D1/14;B23B41/06;B23B51/00;B23B51/06;B23Q1/00;B23Q11/00;B28D7/02 主分类号 B28D1/14
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