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发明名称
Anordning ved ventiler med en gennemgangsåbning i ventilhuset, i hvilket er anbragt et ventilsædestykke med et ringformet ventilsæde.
摘要
申请公布号
DK78395(C)
申请公布日期
1954.11.08
申请号
DK19470003905
申请日期
1947.10.21
申请人
FRANK HUBERT EVANS
发明人
FRANK HUBERT EVANS
分类号
主分类号
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