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经营范围
发明名称
Pistons for internal combustion engines
摘要
申请公布号
US3369465(A)
申请公布日期
1968.02.20
申请号
US19650431099
申请日期
1965.02.08
申请人
JOHN L. HARRAH
发明人
HARRAH JOHN L.
分类号
F16J9/00
主分类号
F16J9/00
代理机构
代理人
主权项
地址
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