Document Type and Number:
Japanese Patent JPS5433684
Kind Code:
Y2
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Application Number:
JP11999575U
Publication Date:
October 17, 1979
Filing Date:
August 30, 1975
Export Citation:
International Classes:
E02D3/12; E02D19/06; E02D19/16; E21D9/04; E21D11/38; (IPC1-7): E02D3/12; E02D19/16; E21D11/38