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经营范围
发明名称
Retroreflecting surface
摘要
申请公布号
US2948191(A)
申请公布日期
1960.08.09
申请号
US19560589751
申请日期
1956.06.06
申请人
CATAPHOTE CORPORATION
发明人
JR. GEORGE T. HODGSON,;WELLS ROBERT C.
分类号
G02B5/128
主分类号
G02B5/128
代理机构
代理人
主权项
地址
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