Inventor

BIAN DECUN

CN2 patents

Patents

2 patents

US11986907B2May 21, 2024

Automatic weldding method and device for prestressed tubular piles

GUANGZHOU MUNICIPAL ENG TESTING CO LTD0 citations42

US11604182B2Mar 14, 2023

Apparatus and method for detecting grout compactness in grouted splice sleeve

GUANGZHOU MUNICIPAL ENG TESTING CO LTD0 citations38