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发明名称
Feilenheft
摘要
申请公布号
DE720809(C)
申请公布日期
1942.05.16
申请号
DE1940L102243D
申请日期
1940.10.29
申请人
OTTO LEISTEN
发明人
LEISTEN OTTO
分类号
B25G1/00
主分类号
B25G1/00
代理机构
代理人
主权项
地址
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