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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6242979
Kind Code:
Y2
Application Number:
JP11028380U
Publication Date:
November 06, 1987
Filing Date:
August 05, 1980
Export Citation:
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International Classes:
F16L39/04; E02D3/12; F16L37/00; (IPC1-7): E02D3/12