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发明名称
LEAK DETECTING METHOD IN VACUUM VESSELS
摘要
申请公布号
CA332095(A)
申请公布日期
1933.05.02
申请号
CAD332095
申请日期
申请人
WALTER DALLENBACH
发明人
WALTER DALLENBACH
分类号
主分类号
代理机构
代理人
主权项
地址
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