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经营范围
发明名称
Rotary mechanical seal
摘要
申请公布号
GB1030610(A)
申请公布日期
1966.05.25
申请号
GB19630046622
申请日期
1963.11.26
申请人
CRANE PACKING COMPANY
发明人
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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