Title:
【考案の名称】ラチエツトレンチ
Document Type and Number:
Japanese Patent JPH04136663
Kind Code:
U
Inventors:
Takahashi Hajime
Application Number:
JP4316991U
Publication Date:
December 18, 1992
Filing Date:
June 11, 1991
Export Citation:
International Classes:
B25B13/00; B25B15/00; (IPC1-7): B25B13/00; B25B15/00