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发明名称
Soupape annulaire
摘要
申请公布号
FR871854(A)
申请公布日期
1942.05.20
申请号
FRD871854
申请日期
1941.05.02
申请人
FRIED. KRUPP AKTIENGESELLSCHAFT
发明人
分类号
F01L3/20;F16K15/08
主分类号
F01L3/20
代理机构
代理人
主权项
地址
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