MX161745A
(en )
1990-12-20
IMPROVEMENTS IN PROCESS TO PREPARE A CLAY COMPOSITION AND THE COMPOSITION OBTAINED
MX150847A
(en )
1984-07-31
IMPROVEMENTS IN UNIT TO SHORTER DITCHES
ES495571A0
(en )
1982-04-16
A STRATIFIED STRUCTURE FOR USE IN WALL CONSTRUCTION
ES245234Y
(en )
1980-06-16
IMPROVEMENTS IN POCKETS
FI803197L
(en )
1981-04-17
IN I VARANDRA PLACERBARA TEGEL OCH SAODANA TEGEL UTNYTTJANDE BYGGNADSMETOD
NO802463L
(en )
1981-02-23
SKETCH BETWEEN SEPARATE NEXT SECTIONS IN A CONSTRUCTION
MX155511A
(en )
1988-03-18
IMPROVEMENTS IN MACHINE TO MAKE TORTILLAS
MX149583A
(en )
1983-11-25
IMPROVEMENTS IN PORTABLE TOILET
MX149622A
(en )
1983-12-02
IMPROVEMENTS IN TOILET
ES530975A0
(en )
1984-12-01
IMPROVEMENTS IN THE CONSTRUCTION OF COAGULOMETERS
MX149411A
(en )
1983-11-03
IMPROVEMENTS IN STUMP CUTTERS
MX148620A
(en )
1983-05-18
IMPROVEMENTS IN EPISCOPES
IT1113462B
(en )
1986-01-20
IMPROVEMENT IN MECHANICAL EXCAVATORS
MX147568A
(en )
1982-12-14
IMPROVED MODULAR UNIT TO BE USED IN THE CONSTRUCTION OF A FLOATING PLATFORM
ES493952A0
(en )
1981-06-16
IMPROVEMENTS IN HYDRAULIC TURBINES
MX154399A
(en )
1987-08-11
IMPROVEMENTS IN PARARRAVOS
ES512359A0
(en )
1983-04-16
"IMPROVEMENTS IN THE DEVICES TO ELIMINATE DEFORMATIONS AND OTHER DEFECTS IN THE TEETH OF THE GEARS".
MX150178A
(en )
1984-03-29
IMPROVEMENTS IN FLOATING BREAKWATER
ES496289A0
(en )
1981-10-01
PROCEDURE TO PREPARE AND MAKE PURI-SIMA WATER AVAILABLE
MX151950A
(en )
1985-05-14
IMPROVEMENTS TO A PREFABRICATED DECK STRUCTURE
BE880705A
(en )
1980-06-19
SIDE LEAD SINKING IN WATER
MX149022A
(en )
1983-08-09
IMPROVEMENTS IN POOL
ES248625Y
(en )
1981-02-16
SET TO MAKE BYPUTS IN PIPES
AR221122A1
(en )
1980-12-30
PREFABRICATED STRUCTURE FOR A TENT AND THE LIKE
BE884046A
(en )
1980-12-29
LEIDINGSTELSEL MET IN WILLEKEURIGE PUNTEN AFTAKBARE LEIDINGKOKERS