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经营范围
发明名称
Rapid processing of photographic film
摘要
申请公布号
US2922352(A)
申请公布日期
1960.01.26
申请号
US19520276112
申请日期
1952.03.12
申请人
SPECIALTIES, INC.
发明人
TUTTLE CLIFTON M.;TUTTLE NEIL R.;BROWN FORDYCE M.
分类号
G03B17/50
主分类号
G03B17/50
代理机构
代理人
主权项
地址
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