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发明名称
Shaft packing
摘要
申请公布号
US1770496(A)
申请公布日期
1930.07.15
申请号
US19210494894
申请日期
1921.08.24
申请人
WORTHINGTON PUMP AND MACHINERY CORPORATION
发明人
LAWACZECK FRANZ
分类号
F16J15/40
主分类号
F16J15/40
代理机构
代理人
主权项
地址
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