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发明名称
Improvements in or relating to vapour-operated vacuum pumps
摘要
申请公布号
GB809379(A)
申请公布日期
1959.02.25
申请号
GB19560023903
申请日期
1956.08.02
申请人
CONSOLIDATED ELECTRODYNAMICS CORPORATION
发明人
GEROW GORDON POWELL;WEEKS RAYMOND JOSEPH
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
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