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发明名称
Pumpenanordnung zur Erzeugung eines Hochvakuums
摘要
申请公布号
DE928314(C)
申请公布日期
1955.05.31
申请号
DE1953S035411
申请日期
1953.09.25
申请人
SIEMENS-SCHUCKERTWERKE AKTIENGESELLSCHAFT
发明人
HAENLEIN WALTER DR.
分类号
F04F9/04
主分类号
F04F9/04
代理机构
代理人
主权项
地址
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