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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS63171679
Kind Code:
U
Application Number:
JP6502187U
Publication Date:
November 08, 1988
Filing Date:
April 28, 1987
Export Citation:
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International Classes:
F04B39/00; F04B45/02; (IPC1-7): F04B45/02; F04B39/00