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US4409291A Magnetic recording medium 失效
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Magnetic recording medium
摘要:
A magnetic recording medium is described comprising a non-magnetic support having formed thereon a magnetic layer comprising a binder and fine ferromagnetic particles dispersed therein, said binder containing a polyester polyurethane prepared by reacting poly(1,6-hexane adipate) with 4,4'-diphenylmethane diisocyanate.
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