发明名称 LEAD FOR WRITING, DRAWING AND PAINTING UTENSILS
摘要 The refill (1) has a sleeve (2) which has a higher bending and breaking strength than the refill core (3). The refill sleeve which is concentric with the core can have a different colour from the core. The material composition of the core and the material composition of the sleeve are different.
申请公布号 HK1095301(A1) 申请公布日期 2011.11.18
申请号 HK20070100936 申请日期 2007.01.25
申请人 J.S. STAEDTLER GMBH & CO. KG 发明人 ANDREAS THIES;CHRISTA LEHRER;JUERGEN REINER;CHRISTINE DELAPIERRE;ROBERT NEIN;FRANZ OCHSENKUEHN;MAX HEINDL
分类号 B43K 主分类号 B43K
代理机构 代理人
主权项
地址