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发明名称
Photographic printing or enlarging apparatus
摘要
申请公布号
US2053317(A)
申请公布日期
1936.09.08
申请号
US19340749657
申请日期
1934.10.23
申请人
PEMBERTON BILLING NOEL
发明人
BILLING NOEL PEMBERTON
分类号
G03B27/54
主分类号
G03B27/54
代理机构
代理人
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