TY  - BOOK
AU  - 
TI  - Mineral Exploration, Mining, And Processing Patents
U1  - 669.0027 NOR 
PY  - 1978///
CY  - Arlington, Virginia
PB  - Oliver S. North
KW  - Miniral Industries
KW  - Patents
KW  - Periodicals
N1  - Includes indexes ( p.: 235 - 313 )
ER  -