【発明の名称】ハンマドリル

Title:

【発明の名称】ハンマドリル

Document Type and Number:

Japanese Patent JP2924969

Kind Code:

B2

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Inventors:

KAARU UANAA
RORUFU MYURAA
OTSUTOO BAUMAN
BIRUBERUTO RAIBETANTSU
BORUFUGANGU SHUMIITO

Application Number:

JP21079789A

Publication Date:

July 26, 1999

Filing Date:

August 17, 1989

Export Citation:

Assignee:

ROOBERUTO BOTSUSHU GMBH

International Classes:

B23B31/02; B23B31/12; B23B31/173; B23B45/16; B25D16/00; B25D17/00; B25D17/08; E21B1/30; (IPC1-7): B25D17/08

Domestic Patent References:

JP61219505A
JP62277279A

Attorney, Agent or Firm:

Toshio Yano (1 outside)

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