ES490645A0
(en )
1981-04-16
A PROCEDURE FOR THE PRODUCTION OF A 4-AMINO- 3-CARBOXI OR CYAN-1,2-DIHYDRO-2-OXO-1,8-NAFTIRIDINE DERIVATIVE
ES497525A0
(en )
1982-07-01
A PROCEDURE FOR THE PRODUCTION OF HALOGEN-TRIACINYL DERIVATIVES.
ES518477A0
(en )
1984-01-16
PROCEDURE FOR THE PRODUCTION OF CHROMOGEN DIHYDROFUROPYRIDINONES.
BE868731A
(en )
1978-11-03
PROCESS FOR MARKING SLINGS, AS WELL AS THE SLINGS OBTAINED BY IMPLEMENTING THIS PROCESS
NO792943L
(en )
1981-03-12
PIPE CLUTCH CLUTCH.
ES489184A0
(en )
1981-03-16
PROCEDURE FOR THE PRODUCTION OF PHEOBROMINE DERIVATIVES.
PL200719A1
(en )
1979-06-04
THE METHOD OF MAKING FORGINGS OF THE RINGS, ESPECIALLY ON FLAT FLANGES FOR PIPES
NO143955C
(en )
1982-10-26
GAS HEAT EXCHANGERS.
AR217847A1
(en )
1980-04-30
APPARATUS FOR THE MANUFACTURE, ACCORDING TO THE HYDROCONFORMED SYSTEM, OF EXPANSION BELLOWS FOR PIPES OR SIMILAR
ES497066A0
(en )
1982-04-01
A PROCEDURE FOR THE PREPARATION OF 1-OXO-1H-TIAZOLO- (3-2-A) PIRIMIDINE.
ES493350A0
(en )
1981-07-01
A PROCEDURE FOR THE PRODUCTION OF THALISOMICINE DERIVATIVES.
GB2023026B
(en )
1982-06-23
Method for the manufacture of tubes from steel having highductility at low temperature
ES506247A0
(en )
1983-11-16
A PROCEDURE FOR THE PRODUCTION OF A LINING FOR METALLURGICAL OVENS.
NO803270L
(en )
1981-05-04
PROCEDURE FOR METAL FORMATION.
ES227353Y
(en )
1977-12-01
UNIVERSAL RING FOR FASTENING PIPES, PERFECT-DA.
ES236715Y
(en )
1979-04-01
FITTING FOR TUBES.
ES230478Y
(en )
1978-04-16
COUPLING FOR FLUID PIPES.
ES234733Y
(en )
1978-10-16
COUPLING ARRANGEMENT FOR TUBES.
ES242660Y
(en )
1979-12-01
FITTING FOR TUBES.
BR5901440U
(en )
1980-01-29
FLAGES FOR PIPE REPAIR
PL204571A1
(en )
1979-01-15
RECEIVING STATION, ESPECIALLY CAST PIPES
PL205062A1
(en )
1979-05-07
TOOL FOR ROLLING CROSS STRENGTH TUBES
ES224704Y
(en )
1977-07-01
PERFECTED FLANGE FOR PIPE JOINTS.
SU646187A1
(en )
1979-02-05
Apparatus for making heat-exchanger tube wall
PL195805A1
(en )
1978-08-14
METHOD FOR THE PRODUCTION OF 2,3-CIS-1,2,3,4-TETRAHYDROGEN-5 - / (2-HYDROXY-3-III-BUTYLAMINE) PROPOXES / -NAPHALENEDIOL-2,3