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经营范围
发明名称
ROTARY MECHANICAL SEALS
摘要
申请公布号
US3438640(A)
申请公布日期
1969.04.15
申请号
USD3438640
申请日期
1966.07.15
申请人
CRANE PACKING LTD.
发明人
SAMUEL C.W. WILKINSON
分类号
F16J15/36;(IPC1-7):F16J15/34
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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