Document Type and Number:
Japanese Patent JPS4931135
Kind Code:
U
Application Number:
JP7169972U
Publication Date:
March 18, 1974
Filing Date:
June 17, 1972
Export Citation:
International Classes:
E04H17/22; E02D27/42; E04H12/22; (IPC1-7): E02D27/42; E04H17/22