Study on J-series down-the-hole hammer and bit (in Chinese) : Cao Yi-nan Q Changsha Inst Min ResV6, N4, Dec 1986, P127–134

• Book ID: 100018296
• Publisher: Elsevier Science
• Year: 1987
• Tongue: English
• Weight: 100 KB
• Volume: 24
• Category: Article
• ISSN: 0148-9062
• DOI: 10.1016/0148-9062(87)92090-0