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发明名称
PRODUCTION OF MEDIUM STONE USED FOR PRODUCING CRUSHED SAND FOR CONCRETE
摘要
申请公布号
JPH05115806(A)
申请公布日期
1993.05.14
申请号
JP19910292111
申请日期
1991.10.11
申请人
NAKAYA JITSUGYO KK
发明人
OOGAWARA YUKIMI
分类号
B02C17/00;B02C17/20
主分类号
B02C17/00
代理机构
代理人
主权项
地址
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