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发明名称
Photographic film processing
摘要
申请公布号
US1961338(A)
申请公布日期
1934.06.05
申请号
US19310538961
申请日期
1931.05.21
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
CRABTREE JAMES
分类号
G03D3/13
主分类号
G03D3/13
代理机构
代理人
主权项
地址
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