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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH044081
Kind Code:
U
Application Number:
JP4346990U
Publication Date:
January 14, 1992
Filing Date:
April 25, 1990
Export Citation:
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International Classes:
F04B11/00; D03D47/32; (IPC1-7): D03D47/32; F04B11/00
Domestic Patent References:
JPS6039443A1985-03-01
JPS5586820A1980-07-01