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经营范围
发明名称
Improved bearing sealing means
摘要
申请公布号
GB515350(A)
申请公布日期
1939.12.04
申请号
GB19380015423
申请日期
1938.05.24
申请人
PAUL WEVER
发明人
分类号
F16C33/78
主分类号
F16C33/78
代理机构
代理人
主权项
地址
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DEOXIDANT
