Design and development of a two post rotary-percussion drilling rig

Detalles Bibliográficos
Publicado en:	Philippine Engineering Journal Vol. 16, no. 1 (1995), 103-118
Autor Principal:	Borlagdan, Paterno
Formato:	Artigo
Idioma:	English
Publicado:	1995
Subjects:	Rotary percussion drills Irrigation equipment Spark ignition engines