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经营范围
发明名称
Apparatus for drying and conditioning sulphate of ammonia and other granular and crystalline products
摘要
申请公布号
GB588562(A)
申请公布日期
1947.05.28
申请号
GB19440015408
申请日期
1944.08.12
申请人
GEORGE ROYSTON
发明人
分类号
C01C1/249
主分类号
C01C1/249
代理机构
代理人
主权项
地址
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