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发明名称
PRIORITY FLOTATION METHOD
摘要
申请公布号
JPS57136957(A)
申请公布日期
1982.08.24
申请号
JP19810022670
申请日期
1981.02.18
申请人
DOUWA KOGYO KK
发明人
SHIYOUJI KISHIO;IZUMIKAWA CHIAKI;HIKOSAKA YUKIYOSHI
分类号
C22B15/00;B03D1/06;C22B13/00
主分类号
C22B15/00
代理机构
代理人
主权项
地址
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