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发明名称
Absperrventil mit Klappenverschluss
摘要
申请公布号
DE834168(C)
申请公布日期
1952.03.17
申请号
DE1944G003674
申请日期
1944.05.10
申请人
GUSTAV FRIEDRICH GERDTS
发明人
RICHTER HANS
分类号
F16K1/20
主分类号
F16K1/20
代理机构
代理人
主权项
地址
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