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发明名称
DIFFRACTION GRATINGS
摘要
申请公布号
US3585121(A)
申请公布日期
1971.06.15
申请号
USD3585121
申请日期
1968.11.14
申请人
NATIONAL RESEARCH DEVELOPMENT CORP.
发明人
ALBERT FRANKS;KEVIN LINDSEY
分类号
G02B5/18;G21K1/06;(IPC1-7):C23C15/00
主分类号
G02B5/18
代理机构
代理人
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