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发明名称
摘要
申请公布号
DE2714199(C3)
申请公布日期
1979.12.13
申请号
DE19772714199
申请日期
1977.03.30
申请人
MITSUI MINING & SMELTING CO. LTD., TOKIO
发明人
MORIMOTO, TOSHIKI, KAWASAKI (JAPAN)
分类号
B22D17/20;B22D17/32;B22D29/00;(IPC1-7):B22D29/00;B22D31/00
主分类号
B22D17/20
代理机构
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