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经营范围
发明名称
Automatische Graviermaschine
摘要
申请公布号
DE524607(C)
申请公布日期
1931.05.12
申请号
DE1928SC85620D
申请日期
1928.02.29
申请人
JULIUS SCHWERDTFEGER
发明人
分类号
B44B3/00
主分类号
B44B3/00
代理机构
代理人
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