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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5629394
Kind Code:
Y2
Application Number:
JP15390777U
Publication Date:
July 13, 1981
Filing Date:
November 16, 1977
Export Citation:
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International Classes:
E02D3/12; E02D5/00; E02D5/80; E02D19/06; E21D11/38; E21D20/00; E21D21/00; (IPC1-7): E02D3/12; E02D5/80