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发明名称
METHOD OF MANUFACTURE OF PRODUCT ON CALCIUM SULFATE BASE
摘要
申请公布号
PL113573(B1)
申请公布日期
1980.12.31
申请号
PL19780208649
申请日期
1978.07.26
申请人
发明人
分类号
C04B24/30;C04B28/14;(IPC1-7):C04B11/14
主分类号
C04B24/30
代理机构
代理人
主权项
地址
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