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发明名称
Feuille pour graphiques.
摘要
申请公布号
CH271131(A)
申请公布日期
1950.10.15
申请号
CHD271131
申请日期
1948.03.17
申请人
COMTESSE,JEAN-LAURENT
发明人
COMTESSE,JEAN-LAURENT
分类号
B42D15/00;G09B29/00
主分类号
B42D15/00
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