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发明名称
Electric switch mechanism
摘要
申请公布号
US1957516(A)
申请公布日期
1934.05.08
申请号
US19320627861
申请日期
1932.08.08
申请人
WILLIAMS WALTER W
发明人
WILLIAMS WALTER W.
分类号
H01H37/60
主分类号
H01H37/60
代理机构
代理人
主权项
地址
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