Resultماكنات تصناع النعل. ماكنات صنع كعك المادلان. M King Hubbert - Wikipedia Marion King Hubbert (October 5, - October 11, ) was an American geologist and geophysicist He worked at the Shell research lab in Houston, TexasHe made several important contributions to geology, geophysics, and petroleum geology, most notably the Hubbert curve …