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经营范围
发明名称
Colostomy appliances
摘要
申请公布号
US2958326(A)
申请公布日期
1960.11.01
申请号
US19570647023
申请日期
1957.03.19
申请人
NELSEN ELHART F
发明人
NELSEN ELHART F.
分类号
A61F5/445
主分类号
A61F5/445
代理机构
代理人
主权项
地址
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