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发明名称
Switch throwing device
摘要
申请公布号
US1854521(A)
申请公布日期
1932.04.19
申请号
US19300427914
申请日期
1930.02.05
申请人
MILLER JAMES B
发明人
MILLER JAMES B.
分类号
B61L11/00
主分类号
B61L11/00
代理机构
代理人
主权项
地址
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