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发明名称
Ventilvorrichtung
摘要
申请公布号
CH342810(A)
申请公布日期
1959.11.30
申请号
CHD342810
申请日期
1956.07.02
申请人
ALEX. FRIEDMANN KOMMANDIT-GESELLSCHAFT
发明人
分类号
F04B39/10
主分类号
F04B39/10
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