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发明名称
Photographic material and process of making same
摘要
申请公布号
US2221792(A)
申请公布日期
1940.11.19
申请号
US19390272720
申请日期
1939.05.09
申请人
GASPAR
发明人
GASPAR BELA;SCHWARE LASSLO
分类号
G03C1/825;G03C7/29
主分类号
G03C1/825
代理机构
代理人
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地址
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