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经营范围
发明名称
Process for refining and discoloring of raw sulphate soft soap
摘要
申请公布号
US1887246(A)
申请公布日期
1932.11.08
申请号
US19310561700
申请日期
1931.09.08
申请人
O. Y. METHODS LTD.
发明人
PYHALA EVALD
分类号
C11D13/06
主分类号
C11D13/06
代理机构
代理人
主权项
地址
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