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经营范围
发明名称
Air pressure switch
摘要
申请公布号
US2477801(A)
申请公布日期
1949.08.02
申请号
US19450594725
申请日期
1945.05.19
申请人
HATHAWAY CLAUDE M
发明人
HATHAWAY CLAUDE M.
分类号
H01H35/34
主分类号
H01H35/34
代理机构
代理人
主权项
地址
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