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发明名称
SAND COVERED WITH SILICATE COMPOUND
摘要
申请公布号
JPH03242389(A)
申请公布日期
1991.10.29
申请号
JP19900038050
申请日期
1990.02.19
申请人
KANESHIMA TAKEO
发明人
KANESHIMA TAKEO
分类号
C04B14/00;C03C8/00;C04B20/10;C04B41/50
主分类号
C04B14/00
代理机构
代理人
主权项
地址
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