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发明名称
Copying and engraving machine
摘要
申请公布号
US2178131(A)
申请公布日期
1939.10.31
申请号
US19380222029
申请日期
1938.07.29
申请人
FRIEDRICH DECKEL
发明人
ZWICK KURT
分类号
B23Q35/20;B44B1/04
主分类号
B23Q35/20
代理机构
代理人
主权项
地址
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