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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02112420
Kind Code:
U
Application Number:
JP2150089U
Publication Date:
September 07, 1990
Filing Date:
February 28, 1989
Export Citation:
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International Classes:
F16L47/06; B29C49/00; B29C57/00; B29C65/48; B29L23/00; (IPC1-7): B29C65/48; B29C49/00; B29C57/00; B29L23:00; F16L47/06