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发明名称
Hydraulically balanced rotary mechanical seal with double sealing wedges
摘要
申请公布号
US3162452(A)
申请公布日期
1964.12.22
申请号
US19620241842
申请日期
1962.12.03
申请人
CRANE PACKING COMPANY
发明人
TANKUS HARRY
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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