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["Colonna","Tipo","Non Nullo"]
["id","bigint","NOT NULL","Da generare automaticamente in fase di import"]
["instr_installs_id","bigint","NOT NULL"]
["component_id","bigint"]
["date_start","character varying(8)","NOT NULL"]
["ql_date_start","bigint"]
["date_stop","character varying(8)"]
["ql_date_stop","bigint"]
["mass_kg","integer"]
["polarity","character(1)"]
["dumping","double precision"]
["dumping_type","character varying(4)"]
["period","double precision"]
["magn_poles_zeroes","double precision"]
["magnification","double precision"]
["galv_period","double precision"]
["galv_dumping","double precision"]
["mirror_distance","double precision"]
["mu","double precision"]
["mu_sq","double precision"]
["drum_speed","double precision"]
["annotation","text"]
["file_name_constants","text"]
["id_bulletin","bigint"]
["codbib_tromos","text"]
["codstru_tromos","text"]
["codoss_tromos","text"]
["start_date","date"]
["stop_date","date"]