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经营范围
发明名称
Continuous calcining of gypsum
摘要
申请公布号
US4101630(A)
申请公布日期
1978.07.18
申请号
US19770815707
申请日期
1977.07.14
申请人
NATIONAL GYPSUM COMPANY
发明人
STILING, RODNEY A.
分类号
C04B11/02;C04B11/028;F27B15/00;(IPC1-7):C04B11/02
主分类号
C04B11/02
代理机构
代理人
主权项
地址
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