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发明名称
THE METHOD OF THE CONSTANT SEMIHYDROUS CALCIUM SULFATE IN THE VERTICAL ROASTER OF BOILER ROOM
摘要
申请公布号
PL154907(B1)
申请公布日期
1991.09.30
申请号
PL19860261566
申请日期
1986.09.24
申请人
发明人
分类号
C04B;C04B11/024;(IPC1-7):C04B11/024
主分类号
C04B
代理机构
代理人
主权项
地址
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