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发明名称
A new or improved rotary vacuum pump
摘要
申请公布号
GB480522(A)
申请公布日期
1938.02.23
申请号
GB19360014622
申请日期
1936.05.23
申请人
BENDIX AVIATION CORPORATION
发明人
分类号
F01C21/08;F04C29/02
主分类号
F01C21/08
代理机构
代理人
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