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发明名称
BALL MILL
摘要
申请公布号
JPH0271854(A)
申请公布日期
1990.03.12
申请号
JP19880223698
申请日期
1988.09.07
申请人
NEC CORP
发明人
NISHIYAMA TOSHIHIKO
分类号
B02C17/18
主分类号
B02C17/18
代理机构
代理人
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