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经营范围
发明名称
Improvements in engine pistons
摘要
申请公布号
GB533840(A)
申请公布日期
1941.02.20
申请号
GB19390031501
申请日期
1939.12.05
申请人
ALFRED WALTER ROEBUCK
发明人
分类号
F16J1/04
主分类号
F16J1/04
代理机构
代理人
主权项
地址
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