Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63156118
Kind Code:
U
Application Number:
JP4959487U
Publication Date:
October 13, 1988
Filing Date:
March 31, 1987
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
H03H3/08; H03H9/25; (IPC1-7): H03H9/25; H03H3/08; H03H9/25



 
Previous Patent: JPS63156117

Next Patent: WORK FOR LAYING EARTH ON SEA BOTTOM