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发明名称
Controller for dental engines
摘要
申请公布号
US1763995(A)
申请公布日期
1930.06.17
申请号
US19270194359
申请日期
1927.05.26
申请人
WEBER HENRY E
发明人
WEBER HENRY E.
分类号
H02P1/06
主分类号
H02P1/06
代理机构
代理人
主权项
地址
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