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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5137859
Kind Code:
Y2
Application Number:
JP7506172U
Publication Date:
September 17, 1976
Filing Date:
June 27, 1972
Export Citation:
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International Classes:
E01H10/00; E01H5/00; E05B3/04; (IPC1-7): E01H5/00