Improvements in or relating to a method of lowering the tendency towards setting of ammonium sulphate and ammonium sulphate of free-flowing form with a reduced tendency to setting
摘要
申请公布号
GB649240(A)
申请公布日期
1951.01.24
申请号
GB19480031726
申请日期
1948.12.08
申请人
ALEXANDER BUTCHART;JOHN WHETSTONE;IMPERIAL CHEMICAL INDUSTRIES LIMITED
