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发明名称
Sitzring für Ventile od. dgl.
摘要
申请公布号
AT140502(B)
申请公布日期
1935.02.11
申请号
ATD140502
申请日期
1933.12.19
申请人
ERSTE BRUENNER MASCHINEN-FABRIKS-GESELLSCHAFT;ING. BRUNO FRANZL
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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