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经营范围
发明名称
Bearing seal
摘要
申请公布号
US2273129(A)
申请公布日期
1942.02.17
申请号
US19390277883
申请日期
1939.06.07
申请人
WILLIAM MESSINGER
发明人
MESSINGER WILLIAM
分类号
F16C33/78;F16J15/32;F16J15/46
主分类号
F16C33/78
代理机构
代理人
主权项
地址
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