Document Type and Number:
Japanese Patent JPH0142710
Kind Code:
Y2
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Application Number:
JP9920884U
Publication Date:
December 13, 1989
Filing Date:
June 30, 1984
Export Citation:
International Classes:
F16L7/00; E02B9/06; E02F5/10; E21D9/06; F16L1/00; F16L1/038; (IPC1-7): F16L1/00; E02D29/10; E21D9/06
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