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经营范围
发明名称
Purification of organic materials
摘要
申请公布号
US2308431(A)
申请公布日期
1943.01.12
申请号
US19400313722
申请日期
1940.01.13
申请人
COLGATE-PALMOLIVE-PEET COMPANY
发明人
BRANDT ROBERT LOUIS
分类号
C11C1/00
主分类号
C11C1/00
代理机构
代理人
主权项
地址
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