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发明名称
NACH VORN KLAPPBARE FEDERZUGGALERIEN MIT UND OHNE ZWISCHENTEILUNG.
摘要
申请公布号
DE1639472(U)
申请公布日期
1952.06.05
申请号
DE195200B8572U
申请日期
1952.04.07
申请人
C. W. BALS & CO.
发明人
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