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发明名称
Switch stand
摘要
申请公布号
US1798682(A)
申请公布日期
1931.03.31
申请号
US19300461606
申请日期
1930.06.16
申请人
JOSEPH KIEREN
发明人
KIEREN JOSEPH
分类号
B61L5/02
主分类号
B61L5/02
代理机构
代理人
主权项
地址
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