Document Type and Number:
Japanese Patent JPS5440631
Kind Code:
U
Application Number:
JP11426677U
Publication Date:
March 17, 1979
Filing Date:
August 25, 1977
Export Citation:
International Classes:
E04F13/073; B44C1/14; E04F13/00; E04F13/08; E04F19/02; E06B1/32; E06B1/34; (IPC1-7): E04F13/00; B44C1/14
Domestic Patent References:
| JPS3920352Y1 |