WO2020164395A1
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Two-stroke engine having independent combustion chamber and special piston and with synchronous boosting
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A kind of efficient film covering device of circulating type for large-scale pipeline
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Two-stroke engine with independent combustion chamber, special piston and synchronous supercharging
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Ointment for treating hemorrhoids
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Ornament with embroidered thread
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Process technique of ornament with embroidered thread
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Pure natural plant ink and its prep.
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Tableware washing detergent liquid made of natural material
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Beriberi treating ointment
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Ointment for treating acne
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Ointment for treating psoriasis
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Disposable chopsticks made of osier and its production method
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