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Document Type and Number:
Japanese Patent JPS5041844
Kind Code:
Y1
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Application Number:
JP643769U
Publication Date:
November 28, 1975
Filing Date:
January 25, 1969
Export Citation:
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International Classes:
G11B15/18; G11B15/32; G11B15/43; G11B15/44; (IPC1-7): G11B15/32; G11B15/43



 
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