Jinshan SUN

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Tianjin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Piston-type explosive loading and blasting structure and method for...
- Patent number 11,988,494
- Issue date May 21, 2024
- CHINA RAILWAY 18 BUREAU GROUP CO. LTD.
- Xin Zhang
- F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

Information Patent Application
BLAST HOLE ARRANGEMENT STRUCTURE USED FOR BLASTING FOR RHEOLOGICAL...
- Publication number 20240102385
- Publication date Mar 28, 2024
- CHINA RAILWAY 18 BUREAU GROUP CO. LTD.
- Xin ZHANG
- F42 - AMMUNITION BLASTING
Information Patent Application
PISTON-TYPE EXPLOSIVE LOADING AND BLASTING STRUCTURE AND METHOD FOR...
- Publication number 20240068790
- Publication date Feb 29, 2024
- CHINA RAILWAY 18 BUREAU GROUP CO. LTD.
- Xin ZHANG
- F42 - AMMUNITION BLASTING