Document Type and Number:
Japanese Patent JPS63139583
Kind Code:
U
Application Number:
JP3048487U
Publication Date:
September 14, 1988
Filing Date:
March 04, 1987
Export Citation:
International Classes:
G04B37/11; G04B37/08; G04B37/16; G04B37/18; G04B39/02; (IPC1-7): G04B37/11; G04B37/16
Domestic Patent References:
JPS61129192U | 1986-08-13 | |||
JPS6167588U | 1986-05-09 | |||
JPS4991360U | 1974-08-07 | |||
JPS61178496U | 1986-11-07 | |||
JPS6195270A | 1986-05-14 |