Document Type and Number:
Japanese Patent JPS4931167
Kind Code:
Y1
Application Number:
JP7618868U
Publication Date:
August 23, 1974
Filing Date:
September 03, 1968
Export Citation:
International Classes:
G01S7/521; F15B7/00; G01S7/52; (IPC1-7): G01S7/52; F15B7/00