NL7510078A
(en )
1976-05-20
METHOD AND DEVICE FOR USE IN DEEP DRILLING.
MX145841A
(en )
1982-04-06
IMPROVEMENTS IN DEVICE FOR THE PREVENTION OF EXPLOSIONS IN OIL AND GAS WELLS
IT1044400B
(en )
1980-03-20
METHOD AND EQUIPMENT FOR EMBOSSING SHEET MATERIALS
BR7504430A
(en )
1976-08-03
DEVICE TO WORK THE LAND AND RETENTION ASSEMBLY
AR200782A1
(en )
1974-12-13
DEVICE FOR PERFORMING SIDE PUNCHING IN OIL AND SIMILAR WELLS
MX143803A
(en )
1981-07-17
IMPROVEMENTS IN RETAINER FOR ELECTRONIC DEVICES
BR7506078A
(en )
1976-08-03
LOADING DEVICE FOR DRILLING PRODUCTS AND IN PARTICULAR GAS WELLS
BR7506555A
(en )
1976-08-17
METHOD AND DEVICE FOR DESTROYING STAMPS
AR211627A1
(en )
1978-02-15
IMPROVEMENTS IN A METHOD TO GENERATE MOTOR FORCE AND THE DEVICE USED IN SUCH METHOD
NL7507347A
(en )
1975-09-30
DOCUMENT PROVISION METHOD AND ORGANIZATION.
AR203084Q
(en )
1975-08-14
DEPTH CONTROL DEVICE IN GAS WELLS AND OIL WELLS
NL156324B
(en )
1978-04-17
COLD CATCHER AND FILTER DEVICE FOR USE IN SUCH DEVICE.
BR7407038A
(en )
1976-04-13
VISUAL DEVICE FOR DIDACTIC AND OTHER PURPOSES
AT340727B
(en )
1977-12-27
DEVICE FOR INTRODUCING LIQUID, IN PARTICULAR LUBRICATING OIL, INTO COMPRESSED AIR
AR201337A1
(en )
1975-02-28
IMPROVEMENTS IN THERMOCUPLES FOR STEEL AND SIMILAR
TR19175A
(en )
1978-06-16
ADDITIONAL SUBSTANCES USEFUL IN OIL CHARACTERISTICS
BR7409014A
(en )
1976-07-13
IMPROVEMENT IN HYDRAULIC PUMP FOR WASHING AND LUBRICATION
BR7410584A
(en )
1976-07-27
EQUIPMENT FOR PUMPING LIQUID IN GENERAL AND OTHERS
MX146521A
(en )
1982-07-07
IMPROVEMENTS IN DEVICE FOR THE PREVENTION OF EXPLOSIONS IN OIL AND GAS WELLS
AR200783A1
(en )
1974-12-13
EXPANSIBLE SHUTTER FOR OIL AND SIMILAR WELLS
BR5500137U
(en )
1976-06-08
FLUID FILTER IN GENERAL
ES208426Y
(en )
1976-07-16
DEVICE TO PLACE VITAMIN BLOCKS IN STABLES.
ES199361Y
(en )
1975-12-01
DIRECTIONAL AND MANUAL OPERATION DEVICE FOR BOATS IN GENERAL.
AR201321A1
(en )
1975-02-28
IMPROVEMENTS IN TRANSPORTABLE MACHINES TO ENGAGE AND HOLE RAILWAY SLEEVES
BR7403007D0
(en )
1974-07-18
EQUIPMENT AND METHOD FOR FIATION