|
US20060270544A1
(en)
|
|
Optical colored glass, its use, and an optical long-pass cutoff filter
|
|
CA1042667A
(en)
|
|
Hydrosilicate thermoplastic materials
|
|
US3527649A
(en)
|
|
Cadmium sulfide or cadmium sulfoselenide colored glazes and process for producing same
|
|
SU1671625A1
(en)
|
|
Yellow glass
|
|
US2688560A
(en)
|
|
Eye-protective ophthalmic glass
|
|
US2688561A
(en)
|
|
Eye-protective ophthalmic glass
|
|
US3773530A
(en)
|
|
Glasses containing cadmium sulfide as a colorant
|
|
US3754816A
(en)
|
|
Steep-edge absorption filter
|
|
CN111662008B
(en)
|
|
Glass composition and method for producing same
|
|
CN109231820A
(en)
|
|
Optical glass and preparation method thereof and optical element
|
|
CN117687138B
(en)
|
|
Optical filter and manufacturing method thereof
|
|
DE141387C
(en)
|
|
|
|
CN106125180A
(en)
|
|
Red glass eyeglass
|
|
RU2642585C1
(en)
|
|
Glass
|
|
JPS532130B2
(en)
|
|
|
|
JPS4423821Y1
(en)
|
|
|
|
RU2620522C1
(en)
|
|
Crystal glass
|
|
RU2443641C1
(en)
|
|
Glass (versions)
|
|
JPS4319402Y1
(en)
|
|
|
|
DD55123A
(en)
|
|
|