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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5215219
Kind Code:
Y1
More Like This:
JPS5451520DIAPHRAGM FOR ELECTRIC SOUND TRANSDUCER
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JPS591031[Title of the Invention] Speaker diaphragm
Application Number:
JP9148069U
Publication Date:
April 06, 1977
Filing Date:
September 25, 1969
Export Citation:
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International Classes:
H04R7/02; (IPC1-7): H04R7/02



 
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