Document Type and Number:
Japanese Patent JPS5613153
Kind Code:
U
Application Number:
JP1639380U
Publication Date:
February 04, 1981
Filing Date:
February 12, 1980
Export Citation:
International Classes:
G01F3/00; E02D19/00; G01D9/00; (IPC1-7): E02D19/00; G01D9/00; G01F3/00