INTERNATIONAL PATENT CLASSIFICATION

被引：0
|
作者：
BAYER, K
机构：
来源：
METALL | 1975年 / 29卷 / 03期
关键词：
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
引用
收藏
页码：284 / 285
页数：2
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