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发明名称
Sperrvorrichtung zur Verhinderung des Rücklaufes von trockenen Gasmessern mit Schiebersteuerung.
摘要
申请公布号
AT136647(B)
申请公布日期
1934.02.26
申请号
ATD136647
申请日期
1932.06.13
申请人
ELSTER & CO. AKTIENGESELLSCHAFT
发明人
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主分类号
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