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发明名称
Piston
摘要
申请公布号
US1768608(A)
申请公布日期
1930.07.01
申请号
US19270201650
申请日期
1927.06.27
申请人
THE CLEVELAND TRUST COMPANY
发明人
KENT FRANK J.
分类号
F02F3/00
主分类号
F02F3/00
代理机构
代理人
主权项
地址
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