Document Type and Number:
Japanese Patent JPH0233821
Kind Code:
B2
Inventors:
TOYODA KAZUJI
Application Number:
JP2287083A
Publication Date:
July 31, 1990
Filing Date:
February 16, 1983
Export Citation:
Assignee:
ISHII TEKKOSHO KK
International Classes:
E04H7/06
Next Patent: JPH0233822