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发明名称
Improvements in or relating to grindstones for disintegrating wood
摘要
申请公布号
GB335521(A)
申请公布日期
1930.09.22
申请号
GB19290019170
申请日期
1929.06.21
申请人
FRITZ RUEHLEMANN
发明人
分类号
B24D5/00
主分类号
B24D5/00
代理机构
代理人
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