溝付き還元パイプ
溝付き還元パイプ異なる状況異なる処理モード
Plastic lined reducing pipe
Plastic lined reducing pipe based on ordinary carbon steel pipe
Thread reducing pipe
Thread reducing pipe all the sizes produced
溝付き還元パイプ異なる状況異なる処理モード
Plastic lined reducing pipe based on ordinary carbon steel pipe
Thread reducing pipe all the sizes produced
