Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6326411
Kind Code:
Y2
Application Number:
JP19528081U
Publication Date:
July 18, 1988
Filing Date:
December 26, 1981
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
E01B27/16; (IPC1-7): E01B27/16