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发明名称
Holder til Trappeløbere.
摘要
申请公布号
DK47464(C)
申请公布日期
1933.06.19
申请号
DKD47464
申请日期
1932.08.10
申请人
CHARLES RICHARD HALLDRON;ARTHUR JOHN WITHERIDGE
发明人
CHARLES RICHARD HALLDRON;ARTHUR JOHN WITHERIDGE
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