Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5037834
Kind Code:
B1
Application Number:
JP8136970A
Publication Date:
December 05, 1975
Filing Date:
September 18, 1970
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
B25D9/12; E21B1/26; (IPC1-7): F15B15/20; E21C3/20
Domestic Patent References:
JP42008996A
JP40288910Y1
JP37017621A
JPS4028891Y1



 
Previous Patent: JPS5037833

Next Patent: JPS5037835