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经营范围
发明名称
Shaft seal
摘要
申请公布号
US2647771(A)
申请公布日期
1953.08.04
申请号
US19490127098
申请日期
1949.11.14
申请人
GENERAL ELECTRIC COMPANY
发明人
GROBEL LLOYD P.
分类号
F16J15/44
主分类号
F16J15/44
代理机构
代理人
主权项
地址
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