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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH03120835
Kind Code:
U
Application Number:
JP2944890U
Publication Date:
December 11, 1991
Filing Date:
March 22, 1990
Export Citation:
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International Classes:
A47B3/12; A47B21/00; A47B37/00; (IPC1-7): A47B37/00; A47B3/12
Domestic Patent References:
JP62128448B
JPS50159025A1975-12-23