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发明名称
MASA OGNIOTRWALA
摘要
申请公布号
PL96303(B1)
申请公布日期
1977.12.31
申请号
PL19750185067
申请日期
1975.11.27
申请人
发明人
分类号
C04B35/66;(IPC1-7):C04B35/66
主分类号
C04B35/66
代理机构
代理人
主权项
地址
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