IT8020535A0
(en )
1980-03-12
PROCEDURE FOR INSULATING DUCTS.
IT7812547A0
(en )
1978-04-04
SET OF BOXES FOR THE CONSTRUCTION OF WALLS
IT8019324A0
(en )
1980-01-18
IMPROVED CONNECTOR ORGAN FOR SEALED DUCTS.
DK517779A
(en )
1979-12-05
VENTILATION SYSTEMS
BR8102577A
(en )
1982-01-19
SET OF PANELS FOR THE FORMATION OF THERMALLY INSULATING WALLS
BR8100152A
(en )
1981-09-15
APPLIANCE FOR THE MANUFACTURE OF PNEUMATICS
BE856714A
(en )
1978-01-12
PROCESS FOR THE MANUFACTURE OF THERMALLY INSULATED BUILDINGS
NO781648L
(en )
1978-11-14
SPLIT VALVE FOR AIR VENTILATION.
BR7801874A
(en )
1978-10-24
PERFECT PROCESS FOR MAKING CONCAVATED THIN WALL ARTICLES
PL99334B1
(en )
1978-07-31
METHOD OF MAKING PRODUCTS BASED ON MINERAL, ESPECIALLY FOR THIN WALL VENTILATION DUCTS
IT7819591A0
(en )
1978-01-25
FITTING FOR SEMI-RIGID DUCTS.
BE806341R
(en )
1974-02-15
METHOD FOR MANUFACTURING THERMALLY INSULATED DUCTS
NO820677L
(en )
1982-03-04
BUILDING VENTILATION LIST.
IT1125457B
(en )
1986-05-14
PROCEDURE FOR THE MANUFACTURE OF GATE BOXES
BE876568A
(en )
1979-09-17
CEILING
AR231989A1
(en )
1985-04-30
METHOD FOR THE MANUFACTURE OF 4-CARBAMOIL-O THIOCARBAMOILOXI-OXAZAPHOSPHORINES DERIVATIVES
AR223665A1
(en )
1981-09-15
MACHINE FOR THE MANUFACTURE OF GLASS OBJECTS
MX9046A
(en )
1994-02-28
METHOD FOR PRODUCING CEPHALOSPORINS.
FI791921A7
(en )
1981-01-01
Making plasterboard.
ES260729Y
(en )
1984-01-16
VENTILATION DUCTS
ES214353Y
(en )
1976-12-01
PANEL FOR THE FORMATION OF WALLS.
ES224462Y
(en )
1977-05-16
CERAMIC BLOCK FOR THE FORMATION OF WALLS.
PL100510B1
(en )
1978-10-31
TECHNOLOGICAL GREASE, ESPECIALLY FOR GLASS MOLDS
ES239607Y
(en )
1979-05-16
MODULAR SET FOR THE FORMATION OF WALLS.
SE7909956L
(en )
1981-06-04
SKALLING WALLS