【発明の名称】竪穴掘削時における止水工法

Title:

【発明の名称】竪穴掘削時における止水工法

Document Type and Number:

Japanese Patent JP2879610

Kind Code:

B2

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Inventors:

NISHIMURA SHINICHI
NAGASAWA YASUNORI
GOTO SHIGERU
KATSURA YUTAKA
ONO TADASHI

Application Number:

JP1583991A

Publication Date:

April 05, 1999

Filing Date:

January 16, 1991

Export Citation:

Assignee:

SHIMIZU KENSETSU KK

International Classes:

E02D19/16; E21D1/10; (IPC1-7): E02D19/16; E21D1/10

Domestic Patent References:

Attorney, Agent or Firm:

Yoshinori Yanagita (3 others)

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