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发明名称
Closure means for cylinder units
摘要
申请公布号
US2890917(A)
申请公布日期
1959.06.16
申请号
US19570660351
申请日期
1957.05.20
申请人
RICHARD PRINCE
发明人
PRINCE RICHARD
分类号
F16J10/02
主分类号
F16J10/02
代理机构
代理人
主权项
地址
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