Document Type and Number:
Japanese Patent JPH0346309
Kind Code:
Y2
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Application Number:
JP8488485U
Publication Date:
September 30, 1991
Filing Date:
June 05, 1985
Export Citation:
International Classes:
C22B9/05; F16L37/00; F16L39/04; (IPC1-7): F16L39/04
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