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发明名称
Vorrichtung zum selbsttaetigen Auswechseln der Spulen an Kunstseidenspinnmaschinen mit schwenkbaren Spulentraegern
摘要
申请公布号
DE553945(C)
申请公布日期
1932.07.02
申请号
DED553945D
申请日期
1930.06.13
申请人
DR. ERNST BERL
发明人
分类号
B65H67/048
主分类号
B65H67/048
代理机构
代理人
主权项
地址
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