Shujun Zhang et al.: Down-The-Hole hammer drilling system driven by a tubular reciprocating translational motion permanent magnet synchronous motor. (2012)conf/isie/ZhangNNL1210.1109/ISIE.2012.6237165Down-The-Hole hammer drilling system driven by a tubular reciprocating translational motion permanent magnet synchronous motor.4Shujun Zhang1Lars E. Norum2Robert Nilssen3Robert D. Lorenz4647-651ISIEISIE20122012provenance information for RDF data of dblp record 'conf/isie/ZhangNNL12'2021-08-25T23:46:44+0200