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经营范围
发明名称
SEALING DEVICES
摘要
申请公布号
US3469853(A)
申请公布日期
1969.09.30
申请号
USD3469853
申请日期
1966.12.28
申请人
DOWTY ROTOL LTD.
发明人
DENZIL S. GULLICK
分类号
F16J15/32;F16J15/56;(IPC1-7):F16J15/16
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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