[2005] Collate columns fields

Hello again to everyone...

I have a problem with two tables... i want to collate the fields from two tables!

Table1 - Field1 Table2 - Field1
--------------- ----------------
1811123340024 1811123340024
1754556545578 1754556545578
2458778855455 2987554455473
2365458777455 5478936542212
2345774213112
9877441125222

All i want its to collate all this data to a third Table without duplicate the data

Table3 - Field 1
----------------
1811123340024
1754556545578
2458778855455
2365458777455
2345774213112
9877441125222
2987554455473
5478936542212

Anyone can help me to solve this kind of problem !?

Thanks in advice!