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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0425590
Kind Code:
Y2
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Application Number:
JP7720187U
Publication Date:
June 18, 1992
Filing Date:
May 22, 1987
Export Citation:
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International Classes:
F16L39/04; F16L37/00; (IPC1-7): F16L39/04