B21D9/055 - CPC Classification Index

ClassID:

38496 ⎘

B21D9/055 - CPC Classification

Classification description:

Bending tubes using mandrels or the like co-operating with forming members Construction of forming members having more than one groove

Recent Application in this class:

20240165687

BENDER

20180133773

Pipe bend die unit

20160175909

Pipe bend die unit, and pipe bending apparatus having the unit