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发明名称
SEAL CONSTRUCTION
摘要
申请公布号
US4053163(A)
申请公布日期
1977.10.11
申请号
US19760692831
申请日期
1976.06.04
申请人
VEGELLA, GEORGE
发明人
VEGELLA, GEORGE
分类号
F16J15/20;(IPC1-7):F16J15/18
主分类号
F16J15/20
代理机构
代理人
主权项
地址
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