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发明名称
Sealing assembly of packing rings of different qualities
摘要
申请公布号
US2862736(A)
申请公布日期
1958.12.02
申请号
US19560612601
申请日期
1956.09.28
申请人
PARKER HANNIFIN CORPORATION
发明人
RUSSELL JOHN G.
分类号
F16J15/16
主分类号
F16J15/16
代理机构
代理人
主权项
地址
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