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发明名称
Verfahren und Werkzeug zur Herstellung von Schraubenfedergebinden für Matratzen
摘要
申请公布号
CH317828(A)
申请公布日期
1956.12.15
申请号
CHD317828
申请日期
1953.10.13
申请人
EMBRU-WERKE, MANTEL-HESS, HOFFMANN-HESS & CO.
发明人
分类号
A47C23/043;B21F33/04
主分类号
A47C23/043
代理机构
代理人
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