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发明名称
Verfahren zur Aufbereitung von Kopal- oder Dammar-Staub und minderwertigen Kopalpartien
摘要
申请公布号
DE837142(C)
申请公布日期
1952.04.21
申请号
DE1949P055196
申请日期
1949.09.17
申请人
FA. ROBERT KRAEMER
发明人
SCHEIBER DR. PHIL. HANS ERNST
分类号
C09F1/02
主分类号
C09F1/02
代理机构
代理人
主权项
地址
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