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发明名称
COPYING PICTURES BY PHOTO ELECTRIC MEANS
摘要
申请公布号
IE14242(L)
申请公布日期
1936.12.04
申请号
IED14242
申请日期
1936.06.24
申请人
JOHN PURVIS FRATER
发明人
分类号
G03F7/00;G03G17/00;(IPC1-7):G03F7/00
主分类号
G03F7/00
代理机构
代理人
主权项
地址
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