Title:
【発明の名称】地中埋設物の埋設位置の確認方法
Document Type and Number:
Japanese Patent JP2933240
Kind Code:
B2
More Like This:
Inventors:
NAKAYAMA NOBORU
TSUNASAKI MASARU
TSUNASAKI MASARU
Application Number:
JP40949890A
Publication Date:
August 09, 1999
Filing Date:
December 28, 1990
Export Citation:
Assignee:
OOSAKA GASU KK
International Classes:
G01S13/86; G01S13/88; G01V3/12; (IPC1-7): G01S13/88; G01V3/12
Domestic Patent References:
JP6425078A | ||||
JP1195385A |
Attorney, Agent or Firm:
Nishikyo Keiichiro