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发明名称
Fail safe limit switch
摘要
申请公布号
US2642557(A)
申请公布日期
1953.06.16
申请号
US19490131961
申请日期
1949.12.09
申请人
THE SPERRY CORPORATION
发明人
GOLDSTEIN RAYMOND
分类号
B64C13/24;G05D1/00
主分类号
B64C13/24
代理机构
代理人
主权项
地址
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