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发明名称
Rotary shaft seal
摘要
申请公布号
US3231285(A)
申请公布日期
1966.01.25
申请号
US19620245043
申请日期
1962.12.17
申请人
ALLIS-CHALMERS MANUFACTURING COMPANY
发明人
WELTMER WILTON W.;LUTZ MILTON W.
分类号
F16J15/447
主分类号
F16J15/447
代理机构
代理人
主权项
地址
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