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发明名称
Photographic printing apparatus
摘要
申请公布号
US2129768(A)
申请公布日期
1938.09.13
申请号
US19360110656
申请日期
1936.11.13
申请人
HUCBNER WILLIAM C
发明人
HUCBNER WILLIAM C.
分类号
G03B27/02
主分类号
G03B27/02
代理机构
代理人
主权项
地址
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