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发明名称
Dental pattern
摘要
申请公布号
US2237926(A)
申请公布日期
1941.04.08
申请号
US19370150150
申请日期
1937.06.24
申请人
COOLEY RALPH C
发明人
COOLEY RALPH C.
分类号
A61C9/00
主分类号
A61C9/00
代理机构
代理人
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