ES503911A0
(en )
1982-08-16
PROCEDURE FOR OBTAINING OPTICAL AND OPHTHALMIC GLASS
BR8406643A
(en )
1985-10-15
GLASS FOR OPHTHALMIC APPLICATION
DK321182A
(en )
1983-01-18
OPTICAL INSPECTOR
IT1155648B
(en )
1987-01-28
FRAME FOR GLASSES FOR MULTIFOCAL LENSES
BR8108418A
(en )
1983-04-12
OPHTHALMIC LENS WITH TWO REFRACTION SURFACES
NO844789L
(en )
1985-06-03
FIBER OPTICAL SYSTEM WITH SELF-TESTING OPPORTUNITY
ES514942A0
(en )
1983-11-01
PROCEDURE FOR OBTAINING COMPOSITIONS FOR THE CLEANING OF LENSES AND GLASSES FRAMES.
TR21908A
(en )
1986-06-27
FIBER IMALINE EFFICIENT GLASS COMPOSITION
BR8205714A
(en )
1983-08-30
OPTICAL AND OPHTHALMIC GLASS
FI832200L
(en )
1984-01-02
FIBER OPTICS
ES512714A0
(en )
1983-09-01
PROCEDURE FOR OBTAINING OPTICAL AND OPHTHALMIC GLASS.
ES512199A0
(en )
1983-02-16
IMPROVEMENTS IN THE METHOD AND DEVICE FOR THE MANUFACTURE OF GLASS FIBERS.
ATA896878A
(en )
1986-11-15
MULTIPLE-STRENGTH GLASSES LENS
ES501194A0
(en )
1982-02-16
PROCEDURE FOR THE MODIFICATION OF THE RE-FLEXING PROPERTIES OF OPTICAL PARTS SURFACES
DK474683A
(en )
1984-04-15
OPTICAL TRANSOR
MX158143A
(en )
1989-01-10
IMPROVEMENTS IN OPTICAL GRID GLASSES FOR THE TREATMENT OF DEFECTS OF STRABISM
RO82920A
(en )
1984-01-14
COMPOSITION FOR THE TREATMENT OF GLASS FIBERS
BR8100311A
(en )
1981-08-11
OPTICAL GLASS FIBERS AND PROCESS FOR FORMING THE SAME
MX158142A
(en )
1989-01-10
IMPROVEMENTS IN GLASSES WITH OPTICAL GRIDS FOR THE TREATMENT OF DEFECTS OF STRABISM
ES252238Y
(en )
1981-05-16
GLASS SUPPORT OF LENSES
IT8152836V0
(en )
1981-01-23
ANTI-FOG GLASSES WITH ELETTRO HEATED LENSES
DD283281A7
(en )
1990-10-10
RAY-RESISTANT OPTICAL GLAESER
ES556772A0
(en )
1987-07-01
MACHINE FOR FORMING AND BEVELING OPTICAL LENSES OR GLASSES
IT1158123B
(en )
1987-02-18
EXTENDABLE TEMPLE FOR GLASSES AND RELATED GLASSES
ES252672Y
(en )
1981-05-16
GLASSES SUPPORT