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发明名称
VENTIL INSBESONDERE FUER AGGRESSIVE ODER EMPFINDLICHE MEDIEN
摘要
申请公布号
DE7107264(U)
申请公布日期
1974.04.25
申请号
DE19710007264U
申请日期
1971.02.26
申请人
PFEIFFER H;PAETZEL H
发明人
分类号
F16K1/12;(IPC1-7):F16K1/12
主分类号
F16K1/12
代理机构
代理人
主权项
地址
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