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发明名称
Verfahren zur Pruefung von Vakuumgefaessen auf Dichtigkeit
摘要
申请公布号
DE762452(C)
申请公布日期
1954.07.26
申请号
DE1942S149565D
申请日期
1942.03.21
申请人
SIEMENS-SCHUCKERTWERKE A. G.
发明人
GRENADENBERG HANS BERTELE V. DR.-ING.
分类号
G01M3/20
主分类号
G01M3/20
代理机构
代理人
主权项
地址
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