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发明名称
Improvements in the manufacture of scraper piston rings
摘要
申请公布号
GB548821(A)
申请公布日期
1942.10.26
申请号
GB19410015228
申请日期
1941.11.26
申请人
ROBERT WILLIAM HARVEY BAILEY
发明人
分类号
F02F5/00
主分类号
F02F5/00
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代理人
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