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经营范围
发明名称
CRYOGENIC SWITCH
摘要
申请公布号
US3453446(A)
申请公布日期
1969.07.01
申请号
USD3453446
申请日期
1967.09.13
申请人
ARMY USA
发明人
THOMAS G. CROW
分类号
H01H9/54;H01H33/00;(IPC1-7):H01H51/34;G05F1/10;H01H37/00
主分类号
H01H9/54
代理机构
代理人
主权项
地址
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