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经营范围
发明名称
Improvements in or relating to dentists' appliances
摘要
申请公布号
GB420224(A)
申请公布日期
1934.11.19
申请号
GB19330008220
申请日期
1933.03.17
申请人
WALTER KOEHLER
发明人
分类号
A61B1/06
主分类号
A61B1/06
代理机构
代理人
主权项
地址
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