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发明名称
Werkstoff
摘要
申请公布号
DE846010(C)
申请公布日期
1952.08.07
申请号
DE1943R002462D
申请日期
1943.09.28
申请人
RINGFEDER G.M.B.H.
发明人
KREISSIG ERNST
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主分类号
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