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发明名称
Photographic image bearer and method of making same
摘要
申请公布号
US2071821(A)
申请公布日期
1937.02.23
申请号
US19330698671
申请日期
1933.11.18
申请人
EDUARD ECKARDT EMIL
发明人
ECKARDT EMIL EDUARD
分类号
G03F5/00
主分类号
G03F5/00
代理机构
代理人
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地址
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