Document Type and Number:
Japanese Patent JPS4941824
Kind Code:
Y1
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Application Number:
JP1806069U
Publication Date:
November 15, 1974
Filing Date:
March 03, 1969
Export Citation:
International Classes:
F21V9/00; F21V11/00; H04M1/72; H04Q3/58; (IPC1-7): F21V9/00; F21V11/00; H04M1/72