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 |
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代理人 |
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主权项 |
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地址 |
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