Document Type and Number:
Japanese Patent JPH052453
Kind Code:
B2
Inventors:
NAGASE NOBORU
YAMAGUCHI MASAO
YAMAGUCHI MASAO
Application Number:
JP8157386A
Publication Date:
January 12, 1993
Filing Date:
April 09, 1986
Export Citation:
Assignee:
NAGASE TEKKOSHO KK
International Classes:
B24B47/20; B24B17/10; B24B19/08; B24B51/00
Next Patent: TRANSPONDER INSTALLED IN WATER