Document Type and Number:
Japanese Patent JPS61198721
Kind Code:
U
Application Number:
JP8210085U
Publication Date:
December 12, 1986
Filing Date:
May 31, 1985
Export Citation:
International Classes:
F16B43/00; E02D3/00; E21D11/38; (IPC1-7): F16B43/00; E02D3/00; E21D11/38