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经营范围
发明名称
RETRACTION DEVICE
摘要
申请公布号
GB1492080(A)
申请公布日期
1977.11.16
申请号
GB19750037161
申请日期
1975.09.09
申请人
SIEMENS AG
发明人
分类号
A61C1/18;A61G15/16;(IPC1-7):F16H21/00;A61C19/00
主分类号
A61C1/18
代理机构
代理人
主权项
地址
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