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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5677555
Kind Code:
U
Application Number:
JP15694179U
Publication Date:
June 24, 1981
Filing Date:
November 14, 1979
Export Citation:
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International Classes:
E03F5/02; E02D29/12; (IPC1-7): E02D29/12; E03F5/02
Domestic Patent References:
JPS4815561B11973-05-16