Title:
【発明の名称】原稿投影機
Document Type and Number:
Japanese Patent JP2835541
Kind Code:
B2
Inventors:
SAKAI SHIGEAKI
Application Number:
JP25111191A
Publication Date:
December 14, 1998
Filing Date:
September 30, 1991
Export Citation:
Assignee:
TOHOKU RIKOO KK
International Classes:
G03B21/132; G03B21/16; (IPC1-7): G03B21/132; G03B21/16
Domestic Patent References:
| JP453943A |
Attorney, Agent or Firm:
Matsumura Hiroshi