Document Type and Number:
Japanese Patent JPS61135935
Kind Code:
U
Application Number:
JP1947985U
Publication Date:
August 23, 1986
Filing Date:
February 14, 1985
Export Citation:
International Classes:
E02B17/00; B08B1/00; E01H5/12; (IPC1-7): E02B17/00; B08B1/00; E01H5/12