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发明名称
Bindemiddel af bitumen eller tjærne og fremgangsmåde til dets fremstilling.
摘要
申请公布号
DK72187(C)
申请公布日期
1951.02.19
申请号
DK19470001797
申请日期
1947.05.07
申请人
ROBERT DOUGLAS SWAN
发明人
ROBERT DOUGLAS SWAN
分类号
主分类号
代理机构
代理人
主权项
地址
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