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1. Machine Frame & Miscellaneous Cover Components |
2. Main Shaft Components |
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3. Needle Bar, Upright Shaft & Hook Driving Shaft Components |
4. Hand Lifter Components |
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5. Feed Mechanism Components |
6. Thread Trimmer Components |

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7. Automatic Reverse Feed Components
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8. Wiper Components |

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9. Oil Lubrication Components |
10. Oil Reservoir Components
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11. Belt Cover & Bobbin Components |
12. Thread Stand Components
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13. Exclusive Parts for DDL-5550NH-7 |
14. Exclusive Parts for DDL-5550NA-7 |
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15. Exclusive Parts for DDL-5550NK-7 |
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