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发明名称
Ventil mit ringförmiger Dichtung
摘要
申请公布号
CH464626(A)
申请公布日期
1968.10.31
申请号
CH19670004909
申请日期
1967.04.06
申请人
FREI-PERRENOUD,ALFRED
发明人
FREI-PERRENOUD,ALFRED
分类号
F16K1/46
主分类号
F16K1/46
代理机构
代理人
主权项
地址
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