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发明名称
Klaviatur til skrivemaskiner og andre maskiner med til forskellige bogstaver og tegn svarende taster, af hvilke nogle skal anslås med venstre og andre med højre hånds fingre.
摘要
申请公布号
DK67795(C)
申请公布日期
1948.10.18
申请号
DK19430001860
申请日期
1943.07.10
申请人
ERIK HOLGER ADRIAN LUNDGREN
发明人
ERIK HOLGER ADRIAN LUNDGREN
分类号
主分类号
代理机构
代理人
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地址
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