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经营范围
发明名称
SCREEN WITH A SURFACE HAVING PROJECTIONS OR DEPRESSIONS
摘要
申请公布号
CA2075509(A1)
申请公布日期
1993.02.17
申请号
CA19922075509
申请日期
1992.08.07
申请人
NAGAOKA, TADAYOSHI
发明人
NAGAOKA, TADAYOSHI
分类号
D21C9/02;B01D29/01;B01D33/067;D21C9/06;D21D5/02;(IPC1-7):B01D39/10
主分类号
D21C9/02
代理机构
代理人
主权项
地址
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