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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0443138
Kind Code:
U
Application Number:
JP8490790U
Publication Date:
April 13, 1992
Filing Date:
August 11, 1990
Export Citation:
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International Classes:
A47B83/00; A47B87/00; (IPC1-7): A47B87/00; A47B83/00
Domestic Patent References:
JP60117739B
JPS5536894B21980-09-24
JP54026425B