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发明名称
ULTRAHIGH VACUUM PUMPING PROCESS AND APPARATUS
摘要
申请公布号
CA808892(A)
申请公布日期
1969.03.25
申请号
CAD808892
申请日期
申请人
UNION CARBIDE CORPORATION
发明人
ADRIAN J. WESTBROCK
分类号
主分类号
代理机构
代理人
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地址
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