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1

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Main Authors: 杨擎宇 (编著)
Published: 冶金部马鞍山钢铁设计研究院情报科
Publication Dates: 1985
Call Number: TF741/4943

Book

2

Cover is for reference only

Main Authors: 杨光宗 (编著); 杨擎宇 (编著)
Published: 广东科技出版社
Publication Dates: 2010
Call Number: TN643/4993-1

Book

3

Cover is for reference only

Main Authors: 杨光宗 (编著); 杨擎宇 (编著)
Published: 广东科技出版社
Publication Dates: 2003
Call Number: TN643/4993

Book