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发明名称
Tilbygningsstel til Omdannelse af en Cykel til en Tandemcykel.
摘要
申请公布号
DK55660(C)
申请公布日期
1939.01.02
申请号
DKD55660
申请日期
1937.11.15
申请人
HEINRICH THEODOR PREUT
发明人
HEINRICH THEODOR PREUT
分类号
主分类号
代理机构
代理人
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