发明名称 |
Grinder stone |
摘要 |
A grinder stone for producing wood pulp has grinding elements which, distributed around the circumference of the grinder stone, are formed as grinding segments and which are built up from both natural substances and artificial crystals.
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申请公布号 |
DE3131653(A1) |
申请公布日期 |
1983.03.03 |
申请号 |
DE19813131653 |
申请日期 |
1981.08.11 |
申请人 |
J.M. VOITH GMBH;DYCKERHOFF & WIDMANN AG |
发明人 |
SCHMOELLER,KARL-HEINZ;BOETTGER,ERNST |
分类号 |
B24D5/14;D21B1/14;(IPC1-7):D21B1/14;B24D5/06 |
主分类号 |
B24D5/14 |
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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