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发明名称
摘要
申请公布号
FR2348979(B1)
申请公布日期
1983.09.30
申请号
FR19770011722
申请日期
1977.04.19
申请人
BENGT ALFREDSSON AB
发明人
分类号
C22B23/00;C01G31/00;C22B3/38;C22B7/02;C22B34/22;(IPC1-7):22B7/00;22B34/22
主分类号
C22B23/00
代理机构
代理人
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地址
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