Document Type and Number:
Japanese Patent JPS5710159
Kind Code:
Y2
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JPS52109905 | PICK-UP CARTRIDGE |
JPS53131004 | PICKUP CARTRIDGE |
Application Number:
JP8889677U
Publication Date:
February 26, 1982
Filing Date:
July 04, 1977
Export Citation:
International Classes:
H04R11/08; H04R11/12; (IPC1-7): H04R11/08