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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5581893
Kind Code:
U
Application Number:
JP16608478U
Publication Date:
June 05, 1980
Filing Date:
December 01, 1978
Export Citation:
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International Classes:
G08B21/00; G08B3/10; G08B21/10; (IPC1-7): G08B21/00; G08B3/10
Domestic Patent References:
JP49111199B
JPS4912516A1974-02-04