【発明の名称】ニューマチックケーソン用掘削装置の遠隔操作方法

Title:

【発明の名称】ニューマチックケーソン用掘削装置の遠隔操作方法

Document Type and Number:

Japanese Patent JP3082770

Kind Code:

B2

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Inventors:

Yasutaka Egawa
Shojuro Abe
Tetsuro Shintani
Jiro Tsunoda

Application Number:

JP30242789A

Publication Date:

August 28, 2000

Filing Date:

November 21, 1989

Export Citation:

Assignee:

Taiho Construction Co., Ltd.

International Classes:

E02F3/30; E02D23/08; E02D23/10; (IPC1-7): E02D23/08; E02D23/10; E02F3/30

Domestic Patent References:

JP1146025A
JP1165829A

Attorney, Agent or Firm:

Michio Takayama (1 outside)

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