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发明名称
Friction sealing receptacle
摘要
申请公布号
US2157255(A)
申请公布日期
1939.05.09
申请号
US19370145905
申请日期
1937.06.01
申请人
BUMPASS ROY P
发明人
BUMPASS ROY P.
分类号
A24F15/02
主分类号
A24F15/02
代理机构
代理人
主权项
地址
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