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发明名称
DENTAL OPERATORY AND VALVE USED THEREIN
摘要
申请公布号
US3445934(A)
申请公布日期
1969.05.27
申请号
USD3445934
申请日期
1966.05.23
申请人
WILLIAM H. HARRIS
发明人
WILLIAM H. HARRIS
分类号
A61C1/00;A61G15/16;(IPC1-7):A61C17/00;A61C19/00;F16K5/04
主分类号
A61C1/00
代理机构
代理人
主权项
地址
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