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经营范围
发明名称
Valve for ultra-high vacuum apparatus
摘要
申请公布号
US3007674(A)
申请公布日期
1961.11.07
申请号
US19590803902
申请日期
1959.04.03
申请人
W. C. HERAEUS G.M.B.H.
发明人
LORENZ ALBERT;BOYE KARL
分类号
F16K51/02
主分类号
F16K51/02
代理机构
代理人
主权项
地址
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