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发明名称
RETRO-REFLECTIVE TRANSPARENT SPHERES OR BEADS
摘要
申请公布号
GB1477175(A)
申请公布日期
1977.06.22
申请号
GB19740027610
申请日期
1974.06.21
申请人
EIGENMANN L
发明人
分类号
G09F13/16;C03C17/02;C03C27/10;G02B5/12;G02B5/128;(IPC1-7):G02B5/12
主分类号
G09F13/16
代理机构
代理人
主权项
地址
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