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经营范围
发明名称
Procédé pour améliorer les liants hydrocarbonés et retarder leur vieillissement
摘要
申请公布号
FR808633(A)
申请公布日期
1937.02.11
申请号
FRD808633
申请日期
1936.07.20
申请人
发明人
REFFREGER PHILIPPE-JULES-MARIE
分类号
C08L95/00
主分类号
C08L95/00
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代理人
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