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经营范围
发明名称
Means for exerting an elastic return action on the valves of engines
摘要
申请公布号
GB473468(A)
申请公布日期
1937.10.13
申请号
GB19370008288
申请日期
1937.03.20
申请人
ALESSANDRO TEBALDI
发明人
分类号
F01L1/30;F01L1/46
主分类号
F01L1/30
代理机构
代理人
主权项
地址
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