tubo (ЖD) tube трубка	B max	L	ch1	ch2	confez. package упак.	codice code код
6	15.5	51.5	12	14	50	36.1231.0
8	16.5	55.5	14	16	50	36.1232.0
10	15.5	62.5	19	19	50	36.1233.0
12	16	64.5	22	22	20	36.1234.0
14	18	69.5	27	25	20	36.1235.0