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发明名称
Photographic developers
摘要
申请公布号
US2845349(A)
申请公布日期
1958.07.29
申请号
US19550533010
申请日期
1955.09.07
申请人
POWERS CHEMCO, INC.
发明人
SCHWARZ GEORGE
分类号
G03C5/305
主分类号
G03C5/305
代理机构
代理人
主权项
地址
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