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发明名称
Process for modifying the properties of natural or artificial amphoteric colloids
摘要
申请公布号
GB488783(A)
申请公布日期
1938.07.13
申请号
GB19360031057
申请日期
1936.11.13
申请人
ACETA G.M.B.H.
发明人
分类号
D06P1/642;D06P5/22
主分类号
D06P1/642
代理机构
代理人
主权项
地址
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