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发明名称
Photocopying machine
摘要
申请公布号
US2148018(A)
申请公布日期
1939.02.21
申请号
US19370178468
申请日期
1937.12.07
申请人
GOLDBERG SOLOMON L
发明人
GOLDBERG SOLOMON L.
分类号
G03B27/32
主分类号
G03B27/32
代理机构
代理人
主权项
地址
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