INTERNATIONAL PATENT: THE FOURTH CONSTRUCTION CO., LTD. OF CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP, 中铁建工集团第四建设有限公司 FILES APPLICATION FOR "AUTOMATIC CIRCUMFERENTIAL WELDING DEVICE FOR PIPE AND CIRCUMFERENTIAL WELDING METHOD"

Posted On: 2025-12-08

GENEVA, Dec. 8 -- THE FOURTH CONSTRUCTION CO., LTD. OF CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP (Room A-25, Building 1, No. 1312, Lao Lu Road, Lingang New Zone, China (Shanghai) Pilot Free Trade ZonePudong New Area, Shanghai 201306), 中铁建工集团第四建设有限公司 (中国上海市浦东新区中国(上海)自由贸易试验区临港新片区老芦公路1312号1幢A-25室) filed a patent application (PCT/CN2024/139220) for "AUTOMATIC CIRCUMFERENTIAL WELDING DEVICE FOR PIPE, AND CIRCUMFERENTIAL WELDIN...

Click here to read full article from source

To read the full article or to get the complete feed from this publication, please Contact Us.

Exclusive

Category

Source

Publication

Location

INTERNATIONAL PATENT: THE FOURTH CONSTRUCTION CO., LTD. OF CHINA RAILWAY CONSTRUCTION ENGINEERING GROUP, 中铁建工集团第四建设有限公司 FILES APPLICATION FOR "AUTOMATIC CIRCUMFERENTIAL WELDING DEVICE FOR PIPE AND CIRCUMFERENTIAL WELDING METHOD"