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发明名称
IMPROVEMENTS IN AND RELATING TO DIRECT POSITIVE SILVER HALIDE PHOTOGRAPHIC EMULSIONS
摘要
申请公布号
GB1212142(A)
申请公布日期
1970.11.11
申请号
GB19690012825
申请日期
1969.03.11
申请人
KABUSHIKI KAISHI RICOH
发明人
TATSURO MATSUO
分类号
G03C1/485
主分类号
G03C1/485
代理机构
代理人
主权项
地址
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