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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS4957250
Kind Code:
U
More Like This:
Application Number:
JP9961572U
Publication Date:
May 20, 1974
Filing Date:
August 25, 1972
Export Citation:
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International Classes:
A47B77/00; A47B46/00; A47B77/02; (IPC1-7): A47B77/02; A47B46/00
Domestic Patent References:
JPS4724104A
JPS4724105A



 
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