Document Type and Number:
Japanese Patent JPS50130330
Kind Code:
U
More Like This:
Application Number:
JP4004874U
Publication Date:
October 25, 1975
Filing Date:
April 10, 1974
Export Citation:
International Classes:
G03B21/64; G03B21/00; G03B31/06; (IPC1-7): G03B21/64; G03B21/00
Domestic Patent References:
JPS4211182Y1 |