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发明名称
Verfahren zur Entlueftung von Ventilsaecken und Einrichtung zu seiner Durchfuehrung
摘要
申请公布号
DE587187(C)
申请公布日期
1933.10.31
申请号
DED587187D
申请日期
1930.01.25
申请人
DIPL.-ING. JOHANNES GRAVENHOLDT
发明人
分类号
B65B1/18
主分类号
B65B1/18
代理机构
代理人
主权项
地址
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