Title:
【発明の名称】水文調査トレーサ及び水文調査法
Document Type and Number:
Japanese Patent JP2899258
Kind Code:
B2
Inventors:
OKAMURA MASANORI
ONO TAKASHI
MATSUOKA NOBUAKI
ONO TAKASHI
MATSUOKA NOBUAKI
Application Number:
JP8477497A
Publication Date:
June 02, 1999
Filing Date:
April 03, 1997
Export Citation:
Assignee:
KYUSHU KANKYO KANRI KYOKAI
International Classes:
E02D1/06; G01N21/73; G01N23/222; G01N27/62; G01N31/00; G01N33/18; G01V9/02; G21H5/02; (IPC1-7): E02D1/06; G01N27/62; G01N31/00; G01N33/18; G21H5/02
Domestic Patent References:
| JP49101086A | ||||
| JP1304651A | ||||
| JP6027388B2 | ||||
| JP5331284B1 |
Attorney, Agent or Firm:
Nobuyuki Fujii (1 person outside)