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发明名称
CLASSIFYING DEVICE FOR IMPALPABLE POWDER
摘要
申请公布号
JPS5297473(A)
申请公布日期
1977.08.16
申请号
JP19760013898
申请日期
1976.02.13
申请人
NITTETSU MINING CO LTD
发明人
TAJIMA TSUMORU;FUKUMA SHIYOUZOU
分类号
B07B7/083;B07B7/00
主分类号
B07B7/083
代理机构
代理人
主权项
地址
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