Document Type and Number:
Japanese Patent JPH0327918
Kind Code:
Y2
Application Number:
JP16800085U
Publication Date:
June 17, 1991
Filing Date:
October 31, 1985
Export Citation:
International Classes:
F16L39/04; B63H3/08; B63H25/42; F16L37/00; (IPC1-7): B63H25/42