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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5270404
Kind Code:
U
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Application Number:
JP15804075U
Publication Date:
May 25, 1977
Filing Date:
November 21, 1975
Export Citation:
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International Classes:
G11B3/095; G11B17/00; G11B17/08; (IPC1-7): G11B17/00; G11B17/08
Domestic Patent References:
JPS4916083U1974-02-09