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发明名称
ROTARY MECHANICAL SEAL OF THE GAP TYPE
摘要
申请公布号
US3499653(A)
申请公布日期
1970.03.10
申请号
USD3499653
申请日期
1968.06.05
申请人
CRANE PACKING CO.
发明人
JAMES F. GARDNER
分类号
F16J15/34;(IPC1-7):F16J15/16;F16J15/40
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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