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发明名称
摘要
申请公布号
JPS6410221(B2)
申请公布日期
1989.02.21
申请号
JP19810214252
申请日期
1981.12.26
申请人
OLYMPUS OPTICAL CO
发明人
TAKAYAMA SHUICHI
分类号
B02C19/18;A61B17/22
主分类号
B02C19/18
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