Document Type and Number:
Japanese Patent JPH0171787
Kind Code:
U
Application Number:
JP16686987U
Publication Date:
May 15, 1989
Filing Date:
October 29, 1987
Export Citation:
International Classes:
F16B47/00; G09F7/02; G09F7/18; (IPC1-7): G09F7/02; F16B47/00; G09F7/18
Domestic Patent References:
| JP60178872B | ||||
| JP55121287B | ||||
| JP51128499B |
Next Patent: JPH0171788