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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5723520
Kind Code:
Y2
Application Number:
JP4780377U
Publication Date:
May 21, 1982
Filing Date:
April 18, 1977
Export Citation:
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International Classes:
D04H5/04; D04H5/08; E04C2/02; (IPC1-7): D04H5/04; D04H5/08