Document Type and Number:
Japanese Patent JPS5226778
Kind Code:
B2
Application Number:
JP8848174A
Publication Date:
July 15, 1977
Filing Date:
July 31, 1974
Export Citation:
International Classes:
E04F13/08; B28B1/50; B28B5/02; B28B5/04; B29B7/00; B29C39/00; B29C39/16; B29C39/26