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经营范围
发明名称
Dual controller for dental drills
摘要
申请公布号
US3209457(A)
申请公布日期
1965.10.05
申请号
US19600031030
申请日期
1960.05.23
申请人
RITTER COMPANY, INC.
发明人
BILLIN ARTHUR GILBERT;STEWART TYLER C.
分类号
A61C1/00
主分类号
A61C1/00
代理机构
代理人
主权项
地址
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