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发明名称
Kraveknap.
摘要
申请公布号
DK66131(C)
申请公布日期
1947.12.29
申请号
DK19450002142
申请日期
1945.11.02
申请人
RICHARD JOHANNES PETERSEN
发明人
RICHARD JOHANNES PETERSEN
分类号
主分类号
代理机构
代理人
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