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发明名称
摘要
申请公布号
JPH031063(B2)
申请公布日期
1991.01.09
申请号
JP19860246437
申请日期
1986.10.16
申请人
MASUDA TSUNEO
发明人
MASUDA TSUNEO
分类号
B02C7/12;B24D7/14
主分类号
B02C7/12
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