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发明名称
Flaechenmesser fuer Dreiecke und Vierecke
摘要
申请公布号
DE673748(C)
申请公布日期
1939.03.27
申请号
DE1937B180591D
申请日期
1937.11.06
申请人
WILHELM BECKER
发明人
BECKER WILHELM
分类号
G01B5/26
主分类号
G01B5/26
代理机构
代理人
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