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经营范围
发明名称
Dynamic shaft sealing device
摘要
申请公布号
US3403917(A)
申请公布日期
1968.10.01
申请号
US19650508739
申请日期
1965.11.19
申请人
ROBBINS AVIATION, INC.
发明人
JR. FLOYD E. MACSPADDEN,
分类号
F16J15/20
主分类号
F16J15/20
代理机构
代理人
主权项
地址
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