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发明名称
Optical products
摘要
申请公布号
US2793148(A)
申请公布日期
1957.05.21
申请号
US19530342812
申请日期
1953.03.17
申请人
POLAROID CORPORATION
发明人
WEST CUTLER D.
分类号
B29D11/00;G02B1/00
主分类号
B29D11/00
代理机构
代理人
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地址
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