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发明名称
FACE-TYPE SHAFT SEAL
摘要
申请公布号
US3439923(A)
申请公布日期
1969.04.22
申请号
USD3439923
申请日期
1965.11.10
申请人
AVCO CORP.
发明人
JERALD L. PARK
分类号
F16J15/34;(IPC1-7):F16J9/00;F16J15/00;F16K41/00
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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