Title:
【発明の名称】海水練り掘削安定液
Document Type and Number:
Japanese Patent JPH0796677
Kind Code:
B2
Inventors:
Shohei Hoshino
Application Number:
JP31645089A
Publication Date:
October 18, 1995
Filing Date:
December 07, 1989
Export Citation:
Assignee:
Japan Land Development Co., Ltd.
International Classes:
E21D9/13; C04B28/00; C09K8/04; (IPC1-7): C09K7/02
Domestic Patent References:
| JP5725585B1 |
Attorney, Agent or Firm:
Mitsuyoshi Ezaki (1 person outside)
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