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发明名称
Improvements in or relating to parts of valve mechanism which are highly stressed thermically for example valve seats or valve guides of an internal combustion engine
摘要
申请公布号
GB379194(A)
申请公布日期
1932.08.25
申请号
GB19320000320
申请日期
1932.01.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
F01L3/22
主分类号
F01L3/22
代理机构
代理人
主权项
地址
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