Title:
【考案の名称】マンホ-ル蓋の施錠装置
Document Type and Number:
Japanese Patent JPS59156943
Kind Code:
U
Inventors:
Kobayashi Shozo
Application Number:
JP4950083U
Publication Date:
October 22, 1984
Filing Date:
March 31, 1983
Export Citation:
International Classes:
E02D29/14; B65D90/10; E05B65/00; E05B67/00; (IPC1-7): E02D29/14; B65D90/10; E05B65/00; E05B67/00
Domestic Patent References:
| JPS3714855Y1 |