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经营范围
发明名称
VAKUUMRUECKSCHLAGVENTIL.
摘要
申请公布号
DE6607957(U)
申请公布日期
1971.05.13
申请号
DE19660007957U
申请日期
1968.09.11
申请人
FA. DR. HERMANN E. MUELLER
发明人
分类号
F16K15/02
主分类号
F16K15/02
代理机构
代理人
主权项
地址
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