Title:
DRILLING TOOLS
Document Type and Number:
Japanese Patent JPS53113391
Kind Code:
A
Inventors:
HOSOI RIYOUSUKE
Application Number:
JP2948377A
Publication Date:
October 03, 1978
Filing Date:
March 16, 1977
Export Citation:
Assignee:
DAIJIETSUTO KOUGIYOU KK
International Classes:
B23B51/06; (IPC1-7): B23B51/06