Title:
【考案の名称】標識コーン用補助標識具
Document Type and Number:
Japanese Patent JP2519947
Kind Code:
Y2
Inventors:
Kurokawa Tadashi
Application Number:
JP5648192U
Publication Date:
December 11, 1996
Filing Date:
August 11, 1992
Export Citation:
Assignee:
Kurokawa Craft Co., Ltd.
International Classes:
E01F13/00; E01F13/02; E01F13/04; (IPC1-7): E01F13/00
Domestic Patent References:
| JP6371217U | ||||
| JP1147014U | ||||
| JP3820924Y1 |
Attorney, Agent or Firm:
Hisayoshi Shimizu (2 outside)