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发明名称
Protective device for dentist handpiece
摘要
A shield for a dentist's handpiece slips on over the head and has a skirt portion that protects the user from injury due to the bit or bur.
申请公布号
US4884968(A)
申请公布日期
1989.12.05
申请号
US19880189219
申请日期
1988.05.02
申请人
STIEN, JEROME A.
发明人
STIEN, JEROME A.
分类号
A61C1/16
主分类号
A61C1/16
代理机构
代理人
主权项
地址
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DISPLAY PANEL
Sports and leisure article of footwear