Title:
BLOCK TYPE PROJECTOR
Document Type and Number:
Japanese Patent JPS53139531
Kind Code:
A
Inventors:
RIKUKAWA MOTOHIRO
FURUKAWA SABUROU
FURUKAWA SABUROU
Application Number:
JP5377077A
Publication Date:
December 05, 1978
Filing Date:
May 12, 1977
Export Citation:
Assignee:
SANWA DENKI KK
International Classes:
G03B21/00; G03B31/00; (IPC1-7): G03B21/00; G03B31/00
Previous Patent: JPS53139530
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