公开(公告)号：US2754784A

公开(公告)日：1956-07-17

申请号：US27108852

申请日：1952-02-12

Applicant: BRITISH INSULATED CALLENDERS

Inventor： KINSEY MAYSMOR CHARLES WILLIAM ,  RICHARD WARD GEORGE ,  HARRY WEBSTER GEORGE

IPC: B21C37/08

CPC classification number: B21C37/08 ,  Y10T29/49117 ,  Y10T29/49885

公开(公告)号：US2678986A

公开(公告)日：1954-05-18

申请号：US20084850

申请日：1950-12-14

Applicant: BRITISH INSULATED CALLENDERS

Inventor： RICHARD WARD GEORGE

IPC: G01L21/12 ,  H01J41/04

CPC classification number: H01J41/04 ,  G01L21/12