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发明名称
SEALING DEVICES
摘要
申请公布号
GB1458110(A)
申请公布日期
1976.12.08
申请号
GB19740022569
申请日期
1974.05.21
申请人
DECHAVANNE J
发明人
分类号
F16J15/32;(IPC1-7):F16J9/00
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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