B28B21/80 - CPC Classification Index

ClassID:

47618 ⎘

B28B21/80 - CPC Classification

Classification description:

Methods or machines specially adapted for the production of tubular articles; Moulds adapted to centrifugal or rotational moulding

Recent Application in this class:

20190263703

HOLLOW CYLINDER OF CERAMIC MATERIAL, A METHOD FOR THE PRODUCTION THEREOF AND USE THEREOF

20150093505

Method for preparing rotolined articles

20110135918

Rotolined articles

17461480

Pre-stressed concrete pipe