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经营范围
发明名称
Seal for rotary shafts
摘要
申请公布号
US2011206(A)
申请公布日期
1935.08.13
申请号
US19340731924
申请日期
1934.06.22
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
VANDERMEER DIRK J.
分类号
F16J15/54
主分类号
F16J15/54
代理机构
代理人
主权项
地址
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