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发明名称
Piston expander
摘要
申请公布号
US2212902(A)
申请公布日期
1940.08.27
申请号
US19400312747
申请日期
1940.01.06
申请人
MCQUAY-NORRIS MANUFACTURING COMPANY
发明人
SMITH DALLAS M.
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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