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经营范围
发明名称
Procédé pour faire des dispersions aqueuses de bitume et de goudron
摘要
申请公布号
FR874764(A)
申请公布日期
1942.08.26
申请号
FRD874764
申请日期
1941.08.19
申请人
CHEMISCHE FABRIK COBLENZ-WALLERSHEIM DR. HEINRICH KRETZER
发明人
分类号
C08L95/00
主分类号
C08L95/00
代理机构
代理人
主权项
地址
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