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发明名称
Shaft packing
摘要
申请公布号
US2185876(A)
申请公布日期
1940.01.02
申请号
US19380195858
申请日期
1938.03.14
申请人
DURAMETALLIC CORPORATION
发明人
WIESSNER CHRISTOPHER E.
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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