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发明名称
First surface mirror
摘要
申请公布号
US2333534(A)
申请公布日期
1943.11.02
申请号
US19420455284
申请日期
1942.08.19
申请人
SIGMUND COHN & CO.
发明人
LANG HAROLD MARTIN
分类号
C03C17/40
主分类号
C03C17/40
代理机构
代理人
主权项
地址
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