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发明名称
摘要
申请公布号
JPS649057(B2)
申请公布日期
1989.02.16
申请号
JP19850074596
申请日期
1985.04.09
申请人
EBARA MFG
发明人
AKAMATSU TOSHIKI
分类号
B02C19/06
主分类号
B02C19/06
代理机构
代理人
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