Title:
STEPWISE LENS
Document Type and Number:
Japanese Patent JPS5255545
Kind Code:
A
Inventors:
ROJIYAA HENRII APERUDOON
REIMONDO HARII ANDAASON
REIMONDO HARII ANDAASON
Application Number:
JP12843375A
Publication Date:
May 07, 1977
Filing Date:
October 27, 1975
Export Citation:
Assignee:
MINNESOTA MINING & MFG
International Classes:
G02B3/08; (IPC1-7): G02B3/08
Foreign References:
| US3511563A | 1970-05-12 |