1. Objective:To study the feasibility of application of rat-tail collagen in the primary culture of rats marginal cells of
stria vascularis.

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2. Economic crops are pepper, persimmon, citrus, Sydney, apples, peaches, apricots, cherries, pomegranates,
stria party, rhubarb and bracken.

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3. Research, development, production equipment, fingerprint device, fingerprint attendance system, main products, bank safe deposit box systems, door locks, etc. to mention
stria.

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