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发明名称
PRODUCTION OF ULTRAFINE PARTICLE ZIRCONIUM OXIDE COMPOSITION
摘要
申请公布号
JPH02302319(A)
申请公布日期
1990.12.14
申请号
JP19890125338
申请日期
1989.05.17
申请人
RICOH CO LTD
发明人
TAKAHASHI HIROYUKI;KONNO NORIJIRO
分类号
C01G25/00;C01G25/02
主分类号
C01G25/00
代理机构
代理人
主权项
地址
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