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JPH03152313A
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Method of installing thermal accumulative type floor heating with hot water of low temperature
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Magnetic disk substrate and its manufacture
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Base plate for metallic thin film type magnetic recording medium and production thereof
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Surface polishing device
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Method for coloring aluminum or aluminum alloy
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Production of magnetic recording medium
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Magnetic recording medium
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Vartical magnetic recording medium
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Magnetic recording material and a method for producing the same
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Method for painting aluminum or aluminum-based alloy material
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