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经营范围
发明名称
An improved piston for internal combustion engines
摘要
申请公布号
GB498269(A)
申请公布日期
1939.01.05
申请号
GB19370034643
申请日期
1937.12.14
申请人
ARNOLD EDWARD WILLSON
发明人
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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