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发明名称
GRAIN POWDER CLAY COMPOSITION
摘要
申请公布号
JPS5823083(A)
申请公布日期
1983.02.10
申请号
JP19810121629
申请日期
1981.08.03
申请人
AYUKAWA TAIZOU;KAWACHI MASAYUKI
发明人
KAWACHI MASAYUKI
分类号
G09B19/10
主分类号
G09B19/10
代理机构
代理人
主权项
地址
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