Document Type and Number:
Japanese Patent JPS52141942
Kind Code:
U
Application Number:
JP5080376U
Publication Date:
October 27, 1977
Filing Date:
April 20, 1976
Export Citation:
International Classes:
A45C15/00; G03B21/00; G03B21/30; (IPC1-7): G03B21/00; A45C5/10
Domestic Patent References:
| JPS255551Y1 | ||||
| JPS49114926A | 1974-11-01 |