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经营范围
发明名称
Refining of crude paraffin wax
摘要
申请公布号
US1973833(A)
申请公布日期
1934.09.18
申请号
US19330672228
申请日期
1933.05.22
申请人
STANDARD-I. G. COMPANY
发明人
WIETZEL ELSE;PFAUNDLER CONRAD
分类号
C10G73/44
主分类号
C10G73/44
代理机构
代理人
主权项
地址
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