【発明の名称】マンホールおよびその側壁構成部材

Title:

【発明の名称】マンホールおよびその側壁構成部材

Document Type and Number:

Japanese Patent JP3002439

Kind Code:

B2

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Inventors:

Katsuhisa Shibuya
Keiyoshi Suzuki

Application Number:

JP29642197A

Publication Date:

January 24, 2000

Filing Date:

October 15, 1997

Export Citation:

Assignee:

Taiyo Iron Works Co., Ltd.

International Classes:

E02D29/12; E02D31/08; (IPC1-7): E02D29/12

Domestic Patent References:

Attorney, Agent or Firm:

Nobuyuki Matsunaga

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