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发明名称
摘要
申请公布号
FR2214908(B1)
申请公布日期
1977.08.19
申请号
FR19740000132
申请日期
1974.01.03
申请人
POLAROID CORP
发明人
分类号
G03B27/32;G02B6/04;G03B27/54;G03B27/73;(IPC1-7):G03B27/32
主分类号
G03B27/32
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