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经营范围
发明名称
Refrigeration shielded dewar vessel
摘要
申请公布号
US3416693(A)
申请公布日期
1968.12.17
申请号
US19660599902
申请日期
1966.12.07
申请人
CRYOGENIC ENGINEERING CO.
发明人
COVINGTON GEORGE D.;HAAN JAMES R. DE
分类号
F17C3/08
主分类号
F17C3/08
代理机构
代理人
主权项
地址
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