发明名称 |
Denture demonstrators |
摘要 |
|
申请公布号 |
US2730805(A) |
申请公布日期 |
1956.01.17 |
申请号 |
US19540427209 |
申请日期 |
1954.05.03 |
申请人 |
SMOLKA ROBERT F |
发明人 |
SMOLKA ROBERT F. |
分类号 |
A61C19/10;G09B23/28 |
主分类号 |
A61C19/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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