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发明名称
Improvements in the manufacture and production of zinc hyposulphite
摘要
申请公布号
GB495297(A)
申请公布日期
1938.11.10
申请号
GB19380011898
申请日期
1938.04.20
申请人
I.G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
C01B17/66
主分类号
C01B17/66
代理机构
代理人
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