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经营范围
发明名称
FACE SEAL
摘要
申请公布号
GB1220421(A)
申请公布日期
1971.01.27
申请号
GB19690007965
申请日期
1969.02.13
申请人
DIETER KARL WILHELM HUHN
发明人
DIETER KARL WILHELM HUHN
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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