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发明名称
Goudrons-bitumes et leur fabrication
摘要
申请公布号
FR44832(E)
申请公布日期
1935.04.15
申请号
FRD44832
申请日期
1934.01.05
申请人
SOCIETE DE RECHERCHES & DE PERFECTIONNEMENTS INDUSTRIELS
发明人
LEAUTE ANDRE
分类号
C08L95/00
主分类号
C08L95/00
代理机构
代理人
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地址
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