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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5271980
Kind Code:
U
Application Number:
JP15814775U
Publication Date:
May 28, 1977
Filing Date:
November 21, 1975
Export Citation:
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International Classes:
F23Q7/00; (IPC1-7): F23Q7/00
Domestic Patent References:
JPS4428953Y11969-12-01
JP14017802Y1
JP15012148Y1