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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS6245089
Kind Code:
Y2
Application Number:
JP19315981U
Publication Date:
December 01, 1987
Filing Date:
December 28, 1981
Export Citation:
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International Classes:
E02F9/22; F04B23/04; F04B23/12; (IPC1-7): F04B23/12; E02F9/22



 
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