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经营范围
发明名称
Entlastetes Ventil
摘要
申请公布号
DE554121(C)
申请公布日期
1932.07.05
申请号
DENDATW081534D
申请日期
申请人
FRITZ WAGNER & CO.
发明人
分类号
F16K39/02
主分类号
F16K39/02
代理机构
代理人
主权项
地址
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