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CA3010906A1
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A novel environment-friendly piggery
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Round building hog house with three stages of steps and hog breeding method
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Circular-building hog house with air treatment channels and hog raising method
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Circular pig house with nested intake passages and exhaust passages and pig farming method
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Novel environment-friendly farrowing sow house and sow breeding method
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Novel environment-friendly pregnant sow house and feeding method
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Novel environment-friendly pig house and pollution-free intensive pig farming method
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