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发明名称
Bearing seal
摘要
申请公布号
US2559964(A)
申请公布日期
1951.07.10
申请号
US19450622721
申请日期
1945.10.17
申请人
ROTARY SEAL COMPANY
发明人
JENSEN HANS
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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