Document Type and Number:
Japanese Patent JPS6218347
Kind Code:
B2
Inventors:
IWASE KATSUHIKO
Application Number:
JP3948479A
Publication Date:
April 22, 1987
Filing Date:
March 31, 1979
Export Citation:
Assignee:
ISHIKAWA TAKASHI
International Classes:
E04F13/12; B32B3/02; B32B3/06; E04B1/80; E04B1/94