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经营范围
发明名称
Valve mechanism for proctotherapy apparatus
摘要
申请公布号
US1815449(A)
申请公布日期
1931.07.21
申请号
US19290336124
申请日期
1929.01.30
申请人
BOTO SCHELLBERG OSCAR
发明人
SCHELLBERG OSCAR BOTO
分类号
A61M39/22
主分类号
A61M39/22
代理机构
代理人
主权项
地址
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