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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57134371
Kind Code:
U
Application Number:
JP2095481U
Publication Date:
August 21, 1982
Filing Date:
February 16, 1981
Export Citation:
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International Classes:
F04B33/00; (IPC1-7): F04B33/00
Domestic Patent References:
JP53108617B