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发明名称
Markierungstafel.
摘要
申请公布号
CH242754(A)
申请公布日期
1946.05.31
申请号
CHD242754
申请日期
1945.03.09
申请人
WECKER,HERBERT
发明人
WECKER,HERBERT
分类号
G09F7/02
主分类号
G09F7/02
代理机构
代理人
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