Document Type and Number:
Japanese Patent JPH0327091
Kind Code:
Y2
Application Number:
JP7280684U
Publication Date:
June 12, 1991
Filing Date:
May 17, 1984
Export Citation:
International Classes:
F16L37/00; E02F9/00; E02F9/12; F16L39/00; F16L39/04; (IPC1-7): E02F9/00; F16L39/04
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