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发明名称
High efficiency retroreflective material
摘要
申请公布号
US4895428(A)
申请公布日期
1990.01.23
申请号
US19880224387
申请日期
1988.07.26
申请人
MINNESOTA MINING AND MANUFACTURING COMPANY
发明人
NELSON, JOHN C.;COBB, JR., SANFORD
分类号
G09F13/16;B29C65/08;B32B3/18;B32B3/30;B32B7/02;G02B5/124
主分类号
G09F13/16
代理机构
代理人
主权项
地址
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