Document Type and Number:
Japanese Patent JPS4987343
Kind Code:
U
Application Number:
JP13301972U
Publication Date:
July 29, 1974
Filing Date:
November 17, 1972
Export Citation:
International Classes:
G03D15/00; (IPC1-7): G03D15/00
Domestic Patent References:
| JPS3414556Y1 |