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发明名称
APPARATUS FOR PURIFYING FINELY GRAINED AMBER GRANULATE
摘要
申请公布号
PL138684(B2)
申请公布日期
1986.10.31
申请号
PL19840246654
申请日期
1984.03.12
申请人
发明人
分类号
B24B;B24B31/023;B24C3/08;(IPC1-7):B24B31/023
主分类号
B24B
代理机构
代理人
主权项
地址
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