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发明名称
Catalyst for use in the contact method of making sulphuric acid
摘要
申请公布号
US1971465(A)
申请公布日期
1934.08.28
申请号
US19310555073
申请日期
1931.08.04
申请人
THE CALCO CHEMICAL COMPANY, INC.
发明人
SALAZAR LEOPOLDO G.
分类号
C01B17/79
主分类号
C01B17/79
代理机构
代理人
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