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发明名称
APARELHO PARA CONTROLAR A VAZAO DE MATERIAL EM ESTADO DE FUSAO
摘要
申请公布号
BR8806554(A)
申请公布日期
1989.08.22
申请号
BR1988PI06554
申请日期
1988.12.13
申请人
PPG INDUSTRIES, INC.
发明人
RONALD LEE SCHWENNIGER
分类号
C03B7/08;C03B5/26;C03B17/00;C03B17/04;C03B17/06;(IPC1-7):C03B5/16
主分类号
C03B7/08
代理机构
代理人
主权项
地址
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