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发明名称
Rotary seal
摘要
申请公布号
US2321871(A)
申请公布日期
1943.06.15
申请号
US19410388015
申请日期
1941.04.11
申请人
STEVENSON ENGINEERING CORPORATION
发明人
STEVENSON ROBERT
分类号
F16J15/36
主分类号
F16J15/36
代理机构
代理人
主权项
地址
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