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发明名称
FORMATION OF CRUSHED ROCK SIMILAR TO NATURAL SAND OR GRAVEL
摘要
申请公布号
JPS63112446(A)
申请公布日期
1988.05.17
申请号
JP19860256293
申请日期
1986.10.28
申请人
KAWAMURA ISAMU
发明人
KAWAMURA ISAMU
分类号
C04B14/06;B02C7/02
主分类号
C04B14/06
代理机构
代理人
主权项
地址
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