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经营范围
发明名称
Calcination apparatus
摘要
申请公布号
US4915623(A)
申请公布日期
1990.04.10
申请号
US19890317179
申请日期
1989.02.28
申请人
UNITED STATES GYPSUM COMPANY
发明人
BALL, DAVID J.;VARNEY, EDWARD;CURTIS, PHILIP;DZIDRUMS, MARTIN
分类号
B01J6/00;C04B11/02;C04B11/028
主分类号
B01J6/00
代理机构
代理人
主权项
地址
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