|
id
INTEGER
|
164872 |
|
iadc_material_id
INTEGER
|
18555 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
overview |
|
key
VARCHAR
|
type |
|
value
TEXT
|
Automatic telephone exchange, 106 stations |
|
key_normalized
VARCHAR
|
type |
|
value_normalized
VARCHAR
|
automatic telephone exchange, 106 stations |
|
value_numeric
DOUBLE_PRECISION
|
106.0 |
|
unit
VARCHAR
|
telephone |
|
created_at
TIMESTAMP
|
2026-10-05T11:17:53.976311 |
|
source_page
INTEGER
|
44 |
|
source_context
TEXT
|
type: Automatic telephone exchange, 106 stations |