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发明名称
BLECHVERKLEIDUNG BEI WAERMEAUSTAUSCHERN
摘要
申请公布号
DE6811775(U)
申请公布日期
1969.04.30
申请号
DE19680011775U
申请日期
1968.12.13
申请人
DR.-ING HEINRICH VORKAUF
发明人
DR.-ING HEINRICH VORKAUF
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主分类号
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