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发明名称
SINGLE POWDER PHOTOGRAPHIC DEVELOPER
摘要
申请公布号
CA439013(A)
申请公布日期
1947.01.07
申请号
CAD439013
申请日期
申请人
CANADIAN KODAK COMPANY
发明人
FREDERIC R. BEAN
分类号
主分类号
代理机构
代理人
主权项
地址
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