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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5949760
Kind Code:
B2
Application Number:
JP5773477A
Publication Date:
December 04, 1984
Filing Date:
May 20, 1977
Export Citation:
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Assignee:
OGURA JEWEL INDUSTRY CO LTD
International Classes:
H04R11/08; H04R11/12