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发明名称
Procédé de fabrication de papiers et de toiles abrasifs imperméables capables d'opposer une grande résistance à l'usure résultant du frottement
摘要
申请公布号
FR756517(A)
申请公布日期
1933.12.11
申请号
FRD756517
申请日期
1932.08.11
申请人
发明人
HADNAGY ZOLTAN;BOUILLARD ALBERT
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