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发明名称
Production of foamed slag and like material of light weight
摘要
申请公布号
US2778160(A)
申请公布日期
1957.01.22
申请号
US19520307155
申请日期
1952.08.29
申请人
MARCEL GALLAI-HATCHARD
发明人
GALLAI-HATCHARD MARCEL
分类号
C21B3/08
主分类号
C21B3/08
代理机构
代理人
主权项
地址
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