【発明の名称】内張りされた管路の分岐部穿孔方法

Title:

【発明の名称】内張りされた管路の分岐部穿孔方法

Document Type and Number:

Japanese Patent JPH0641048

Kind Code:

B2

Inventors:

YAGI ISABURO
MARUYAMA HIDEO
YAMAKAWA MASARU
AISAKA YOSHIFUMI

Application Number:

JP9168687A

Publication Date:

June 01, 1994

Filing Date:

April 14, 1987

Export Citation:

Assignee:

ASHIMORI IND CO LTD

International Classes:

B23C3/02; B23B41/00; B23C3/00; B23Q9/00; B26F1/02; B26F1/16; (IPC1-7): B23C3/00; B23B41/00; B26F1/16

Domestic Patent References:

Attorney, Agent or Firm:

Takeyasu Hideo

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