Document Type and Number:
Japanese Patent JPS4847867
Kind Code:
U
Application Number:
JP9154071U
Publication Date:
June 23, 1973
Filing Date:
October 05, 1971
Export Citation:
International Classes:
F16L9/02; B32B1/08; B32B15/08; (IPC1-7): B32B1/08; B32B15/08; F16L9/02