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1.Apparatus for manufacturing high strength,lightweight aggregates for lightweight concrete and the like 失效
标题翻译: 制造高强度装置,轻型混凝土轻型聚合装置公开(公告)号:US3488043A
公开(公告)日:1970-01-06
申请号:US3488043D
申请日:1968-04-04
申请人: OSAKA CEMENT
发明人: INOUE GIICHI , TSUMURA SOJI , SHIKAMI GUNJI
CPC分类号: C04B20/061