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发明名称
PHOTOGRAPHIC CONTRAST ENHANCERS
摘要
申请公布号
AU5628480(A)
申请公布日期
1980.09.11
申请号
AU19800056284
申请日期
1980.03.07
申请人
MINNESOTA MINING AND MANUFACTURING CO.
发明人
WARREN LINNAN SNYDER
分类号
G03C7/00;G03C7/30;G03C7/392
主分类号
G03C7/00
代理机构
代理人
主权项
地址
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