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经营范围
发明名称
Procédé pour rendre l'asphalte moins visqueux ou moins collant
摘要
申请公布号
FR718507(A)
申请公布日期
1932.01.26
申请号
FRD718507
申请日期
1931.06.11
申请人
NAAMLOOZE VENNOOTSCHAP DE BATAAFSCHE PETROLEUM MAATSCHAPPIJ
发明人
分类号
C10C3/02
主分类号
C10C3/02
代理机构
代理人
主权项
地址
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