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发明名称
METHOD FOR PRODUCING BLACK CHROMIUM COMPLEX DYE TYPE 1:2 IN THE FORM OF A WATER AND SOLVENT SOLUTION
摘要
申请公布号
PL153174(B2)
申请公布日期
1991.03.29
申请号
PL19880271093
申请日期
1988.03.07
申请人
发明人
分类号
C09B;C09B29/15;C09B45/16;(IPC1-7):C09B45/16
主分类号
C09B
代理机构
代理人
主权项
地址
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