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经营范围
发明名称
Machine with polyhedral pistons and renewable straight seals
摘要
申请公布号
US3379186(A)
申请公布日期
1968.04.23
申请号
US19660577953
申请日期
1966.09.08
申请人
OSCAR A. YOST
发明人
YOST OSCAR A.
分类号
F02F1/18;F02F11/00;F16J9/00;F16J10/02
主分类号
F02F1/18
代理机构
代理人
主权项
地址
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