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发明名称
Einfach wirkende Hochvakuumpumpe
摘要
申请公布号
DE713255(C)
申请公布日期
1941.11.04
申请号
DE1939K154864D
申请日期
1939.06.27
申请人
KLEIN, SCHANZLIN & BECKER AKT.-GES.
发明人
DOBROVSKY KARL
分类号
F04B39/06
主分类号
F04B39/06
代理机构
代理人
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