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发明名称
Retainerless matrix band
摘要
申请公布号
US4704087(A)
申请公布日期
1987.11.03
申请号
US19860848799
申请日期
1986.04.07
申请人
DRAGAN, WILLIAM B.
发明人
DRAGAN, WILLIAM B.
分类号
A61C5/12;(IPC1-7):A61C9/00
主分类号
A61C5/12
代理机构
代理人
主权项
地址
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