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发明名称
Piston expander
摘要
申请公布号
US2350064(A)
申请公布日期
1944.05.30
申请号
US19420464202
申请日期
1942.11.02
申请人
THE PERFECT CIRCLE COMPANY
发明人
PATON ROY W.
分类号
F16J1/06
主分类号
F16J1/06
代理机构
代理人
主权项
地址
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