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发明名称
GRATING STRUCTURE
摘要
申请公布号
CA414361(A)
申请公布日期
1943.08.03
申请号
CAD414361
申请日期
申请人
GERALD G. GREULICH
发明人
GERALD G. GREULICH
分类号
主分类号
代理机构
代理人
主权项
地址
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