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发明名称
MOTOR-PUMP SHAFT SEAL
摘要
申请公布号
US3580588(A)
申请公布日期
1971.05.25
申请号
USD3580588
申请日期
1969.05.22
申请人
HOOVER CO.:THE
发明人
HOWARD L. ALLEN;CHARLES D. DE GRAFF
分类号
F16J15/54;(IPC1-7):F16J9/00;F16J15/00
主分类号
F16J15/54
代理机构
代理人
主权项
地址
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