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发明名称
Seal assembly
摘要
申请公布号
US4893823(A)
申请公布日期
1990.01.16
申请号
US19880287958
申请日期
1988.12.21
申请人
GREENE, TWEED & CO.
发明人
STROUSE, GARY L.;BERG, THORVAL L.
分类号
F16J15/16;F16J15/32
主分类号
F16J15/16
代理机构
代理人
主权项
地址
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