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发明名称
CRUSHING MEDIA AND MANUFACTURE
摘要
申请公布号
JPS62275059(A)
申请公布日期
1987.11.30
申请号
JP19860117048
申请日期
1986.05.21
申请人
HITACHI CHEM CO LTD
发明人
NAKADA TAKAO;WADA HIROSHI
分类号
C04B35/48
主分类号
C04B35/48
代理机构
代理人
主权项
地址
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