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经营范围
发明名称
摘要
申请公布号
DE3049435(C2)
申请公布日期
1992.10.22
申请号
DE19803049435
申请日期
1980.12.30
申请人
POLAROID CORP., CAMBRIDGE, MASS., US
发明人
JOHNSON, BRUCE KEAN, ANDOVER, MASS., US;WHITESIDE, GEORGE D'ARCY, LEXINGTON, MASS., US;MILLARD, JOHN B., COHASSET, MASS., US
分类号
G03B7/16
主分类号
G03B7/16
代理机构
代理人
主权项
地址
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