Title:
【考案の名称】岩盤破砕機のコントロ-ルスイツチ
Document Type and Number:
Japanese Patent JPS60181489
Kind Code:
U
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Inventors:
Toshihiro Yamazaki
Norihisa Muto
Tokuhiro Yagami
Norihisa Muto
Tokuhiro Yagami
Application Number:
JP6706084U
Publication Date:
December 02, 1985
Filing Date:
May 10, 1984
Export Citation:
International Classes:
E02F5/30; E21B1/00; E21B1/26; E21C37/02; E21C37/20; (IPC1-7): E21C37/02; E02F5/30; E21C3/20