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发明名称
Piston
摘要
申请公布号
US1842022(A)
申请公布日期
1932.01.19
申请号
US19200359137
申请日期
1920.02.16
申请人
THE CLEVELAND TRUST COMPANY
发明人
HARTOG STEPHEN D.
分类号
F16J1/10
主分类号
F16J1/10
代理机构
代理人
主权项
地址
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