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发明名称
Improvements in or relating to the detection of leaks in vacuum apparatus
摘要
申请公布号
GB772474(A)
申请公布日期
1957.04.17
申请号
GB19520019123
申请日期
1952.07.29
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
FOULKES CHRISTOPHER HENRY;BLYTHE ERNEST JAMES
分类号
G01M3/20
主分类号
G01M3/20
代理机构
代理人
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