首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
GLASS COMPOSITIONS FOR OPHTHALMIC LENSES
摘要
A glass composition for an ophthalmic lens having a refractive index of at least 1.69, an Abbe value of at least 39 and a specific gravity of not more than 3.2 and comprising, in percent by weight:
申请公布号
AU1400376(A)
申请公布日期
1977.07.21
申请号
AU19760014003
申请日期
1976.05.17
申请人
HOYA GLASS WORKS, LTD.
发明人
HIROJI SAGARA
分类号
C03C3/062;C03C3/064;C03C3/078;C03C3/087;C03C3/091
主分类号
C03C3/062
代理机构
代理人
主权项
地址
您可能感兴趣的专利
INPUT/OUTPUT CONTROLLER
Thiophene compounds and their pharmaceutical uses
Body cavity pressure adjusting device for endoscope
RIREKIKANRIHOSHIKI
Wire-dot printing heads
Self-routing network using optical gate array
KEYBOARD
DORYOKUDENTATSUSOSHINOSEIZOHOHO
KUROSUKOIRUMEETA
JUKIKOBUNSHIFUKUGOMETSUKIHIMOOYOBISONOSEIZOHOHO
TATEMONONOYANEBOSUIKOZO
FCRESEPUTAANITAISURUMONOKUROONARUKOTAI
SEGUMENTOKUMITATESOCHINIOKERUSEGUMENTOSHISEISEIGYOKIKO
EKIKAGASUJUTENNOZURU
SUKURYUUFUIIDA
TOKUSHUNACHIKANSHIKUROPUROPANKARUBOKISHIAMIDOOYOBISONONOYAKUTOSHITENOOYO
GANGUTORATSUKUASENBURINOSADOSOCHI
KORIMEETAA
PITSUCHIKEITANSOSENIFUJUKARONORONAIGASUSOSEINOCHOSEIHO
KIBANDENIKYOKYUKAIRO