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发明名称
Extraction of montan wax
摘要
申请公布号
US1898976(A)
申请公布日期
1933.02.21
申请号
US19280261329
申请日期
1928.03.13
申请人
A. RIEBECK'SCHE MONTANWERKE AKTIENGESELLSCHAFT
发明人
ROECKNER ERICH;ZSCHOCH FRITZ
分类号
C10G73/00
主分类号
C10G73/00
代理机构
代理人
主权项
地址
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