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经营范围
发明名称
GLASSCHMELZVERFAHREN
摘要
申请公布号
DD294238(A5)
申请公布日期
1991.09.26
申请号
DD19900340477
申请日期
1990.05.09
申请人
PPG INDUSTRIES,INC.,US
发明人
KNAVISH,LEONARD A.,US
分类号
C03B5/027;C03B5/03;C03B5/04;C03B5/173;C03B5/225;(IPC1-7):C03B5/235
主分类号
C03B5/027
代理机构
代理人
主权项
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