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发明名称
Hermetically sealed apparatus
摘要
申请公布号
US2725445(A)
申请公布日期
1955.11.29
申请号
US19520281235
申请日期
1952.04.08
申请人
BARNES ENGINEERING COMPANY
发明人
BOSCH CARL
分类号
H01H33/66
主分类号
H01H33/66
代理机构
代理人
主权项
地址
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