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发明名称
Preparation of manganese products
摘要
申请公布号
US2361925(A)
申请公布日期
1944.11.07
申请号
US19420449786
申请日期
1942.07.04
申请人
MINERALS AND METALS CORPORATION
发明人
BRASSERT HERMAN A.;HARTLEY JAMES C.
分类号
C21C7/00;C22B47/00
主分类号
C21C7/00
代理机构
代理人
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