【考案の名称】掘削用発破穴削孔機

Title:

【考案の名称】掘削用発破穴削孔機

Document Type and Number:

Japanese Patent JPH0738461

Kind Code:

Y2

Inventors:

Nobuhiro Yoshida
Horii Harumi
Matsubara 26

Application Number:

JP14410989U

Publication Date:

September 06, 1995

Filing Date:

December 15, 1989

Export Citation:

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Assignee:

Maruzen Industry Co., Ltd.
Toenec Co., Ltd.

International Classes:

F42D1/00; E21B1/02; E21B7/02; E21B15/00; E21B19/08; E21C37/00; E21D1/00; E21D1/03; (IPC1-7): E21C11/00; E21C37/00; E21D1/00

Domestic Patent References:

JP4980008U

Attorney, Agent or Firm:

Yasuhiro Kuroda

Next Patent: 熱電対入力処理装置