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经营范围
发明名称
COLOR DIFFUSION TRANSFER FILM UNIT CONTAINING A TEMPORARY BARRIER FOR DEVELOPER RESTRAINERS
摘要
申请公布号
US3706557(A)
申请公布日期
1972.12.19
申请号
USD3706557
申请日期
1971.04.28
申请人
POLAROID CORP.
发明人
LESTER H. AROND
分类号
G03C8/52;(IPC1-7):G03C1/40;G03C5/48;G03C7/00
主分类号
G03C8/52
代理机构
代理人
主权项
地址
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