X70钢级φ1420mm×25.6mmR6D热煨弯管

Publisher: 国家哲学社会科学学术期刊数据库

E-ISSN: 1002-302x|volume|B10|79-81

ISSN: 1002-302x

Source: 石油科技论坛, Vol.volume, Iss.B10, 2015-01, pp. : 79-81

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Abstract