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发明名称
Steuereinrichtung für zwei oder mehrere druckluftbetätigte Schallsender zur Abgabe von Tonfolgen
摘要
申请公布号
AT173192(B)
申请公布日期
1952.11.25
申请号
ATD173192
申请日期
1951.05.17
申请人
GEBRUEDER HARDY MASCHINENFABRIK UND GIESSEREI AKTIENGESELLSCHAFT
发明人
DIPL. ING. ANTON VEDRAL
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