[
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    "type": "pcb_board",
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    ],
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    "material": "fr4"
  },
  {
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    "pcb_port_id": "pcb_port_altium_1896",
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    "pcb_component_id": "pcb_component_altium_6"
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "pcb_plated_hole_altium_1897",
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    "pcb_component_id": "pcb_component_altium_7"
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "pcb_plated_hole_altium_1898",
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    "pcb_component_id": "pcb_component_altium_8"
  },
  {
    "type": "pcb_plated_hole",
    "pcb_plated_hole_id": "pcb_plated_hole_altium_1899",
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    "layers": ["top", "bottom"],
    "pcb_port_id": "pcb_port_altium_1899",
    "port_hints": ["1"],
    "pcb_component_id": "pcb_component_altium_9"
  }
]