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经营范围
发明名称
Einstellbares Sicherheitsventil.
摘要
申请公布号
CH248296(A)
申请公布日期
1947.04.30
申请号
CHD248296
申请日期
1945.08.09
申请人
SIFRAG, SPEZIALAPPARATEBAU & INGENIEURBUREAU FREI AG.
发明人
SIFRAG, SPEZIALAPPARATEBAU & INGENIEURBUREAU FREI AG.
分类号
F16K17/04
主分类号
F16K17/04
代理机构
代理人
主权项
地址
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