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发明名称
Vacuum-cup energizer
摘要
申请公布号
US1757135(A)
申请公布日期
1930.05.06
申请号
US19270201570
申请日期
1927.06.27
申请人
ODELL EARL H
发明人
ODELL EARL H.
分类号
A61H7/00;A61H9/00
主分类号
A61H7/00
代理机构
代理人
主权项
地址
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