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发明名称
PHOTOGRAPHIC ENLARGER WITH PINPOINT LIGHT SOURCE
摘要
申请公布号
DE3173808(D1)
申请公布日期
1986.03.27
申请号
DE19813173808
申请日期
1981.08.24
申请人
MERCIER, PHILIPPE GEORGE
发明人
MERCIER, PHILIPPE GEORGE
分类号
G03B27/54;(IPC1-7):G03B27/54
主分类号
G03B27/54
代理机构
代理人
主权项
地址
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