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发明名称
PUMP WITH AUXILIARY VACUUM PUMPING STAGE
摘要
申请公布号
CA834582(A)
申请公布日期
1970.02.17
申请号
CAD834582
申请日期
申请人
CENCO INSTRUMENTS CORPORATION
发明人
VYTAUTAS ANDRIULIS
分类号
主分类号
代理机构
代理人
主权项
地址
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