机械工人活叶学习材料 197 焊道检验
- 作者丁本祥编著
- 出版社北京：机械工业出版社
- 标注页数26 页
- 文件页数27 页
- 文件大小2.06 MB
- 出版时间1958
- ISBNT15033·1332
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