The utility model relates to a special machine for printing blue bands on the two ends of a finished steel pipe.

本实用新型涉及一种在生产好的钢管两端打蓝带的专用机 械。

youdao

The utility model relates to a special machine for printing blue bands on the two ends of a finished steel pipe.

本实用新型涉及一种在生产好的钢管两端打蓝带的专用机 械。

youdao