Document Type and Number:
Japanese Patent JPH0418272
Kind Code:
U
Application Number:
JP5747990U
Publication Date:
February 14, 1992
Filing Date:
May 31, 1990
Export Citation:
International Classes:
F16L39/04; F16L41/02; F16L41/03; F25B41/00; (IPC1-7): F25B41/00; F16L41/02; F16L39/04; F16L41/03
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