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经营范围
发明名称
Gas-jet suction device, particularly for connection to a vacuum pump
摘要
申请公布号
US3369735(A)
申请公布日期
1968.02.20
申请号
US19660558870
申请日期
1966.06.20
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
HOFFMEISTER GUNTER
分类号
F04F5/46;F16K51/02
主分类号
F04F5/46
代理机构
代理人
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