l_union_codes_and_names: 4

This data as json

code	union_name
4	Asbestos Workers; Intl. Assn. of Heat and Frost Insulators - HFIA

Links from other tables

100 rows from petitioner in r_master
44 rows from recogn_union in r_master
24 rows from union_lost_intl_1 in rc_elect
0 rows from union_lost_intl_2 in rc_elect
0 rows from union_lost_intl_3 in rc_elect
0 rows from union_lost_intl_4 in rc_elect
32 rows from union_won_intl in rc_elect