| 发明名称 |
Plastic lens cell |
| 摘要 |
An improved lens cell is provided wherein a pair of identical housing elements cooperate with an aperture member that has a surface configuration to both space and center lens elements that are retained within the housing elements.
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| 申请公布号 |
US4488776(A) |
申请公布日期 |
1984.12.18 |
| 申请号 |
US19820429041 |
申请日期 |
1982.09.30 |
| 申请人 |
M.U. ENGINEERING & MANUFACTURING INC. |
发明人 |
SKINNER, JAMES R. |
| 分类号 |
G02B7/02;(IPC1-7):G02B7/02 |
主分类号 |
G02B7/02 |
| 代理机构 |
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