【発明の名称】油圧式打撃装置

Title:

【発明の名称】油圧式打撃装置

Document Type and Number:

Japanese Patent JPS6020155

Kind Code:

B2

Inventors:

NARUTO TETSUO
TERAO RYUZO
FUKUI KAZUMI

Application Number:

JP8314876A

Publication Date:

May 20, 1985

Filing Date:

July 12, 1976

Export Citation:

Assignee:

YUTANI JUKO KK

International Classes:

B25D9/12; B25D9/00; E21B1/00; E21B1/26; (IPC1-7): B25D9/00; E21C3/20

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