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发明名称
Method of manufacturing reflecting optical elements
摘要
申请公布号
US2444533(A)
申请公布日期
1948.07.06
申请号
US19460652832
申请日期
1946.03.07
申请人
POLAROID CORPORATION
发明人
RICHARDSON JOHN H.
分类号
B29D11/00
主分类号
B29D11/00
代理机构
代理人
主权项
地址
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