|
id
INTEGER
|
9576 |
|
iadc_material_id
INTEGER
|
1343 → iadc_discovered_materials |
|
spec_type
VARCHAR
|
attribute |
|
key
VARCHAR
|
type |
|
value
TEXT
|
Auto Exchange Telephone System |
|
key_normalized
VARCHAR
|
type |
|
value_normalized
VARCHAR
|
auto exchange telephone system |
|
value_numeric
DOUBLE_PRECISION
|
null |
|
unit
VARCHAR
|
null |
|
created_at
TIMESTAMP
|
2026-04-30T11:28:53.564824 |
|
source_page
INTEGER
|
null |
|
source_context
TEXT
|
type: Auto Exchange Telephone System |