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发明名称
Reflex light reflector
摘要
申请公布号
US2326634(A)
申请公布日期
1943.08.10
申请号
US19410424528
申请日期
1941.12.26
申请人
MINNESOTA MINING & MANUFACTURING COMPANY
发明人
GEBHARD MELVIN L.;HELTZER HARRY;CLARKE JOHN EDMUND;DAVIS EDWARD P.
分类号
C03C12/02;E01F9/08;G02B5/128
主分类号
C03C12/02
代理机构
代理人
主权项
地址
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