Dissolving a civil company is the first step towards its “termination”. This generally triggers its liquidation; for this purpose, the company retains its legal personality. Then comes the distribution of assets among the partners, and finally the striking off the company, which is the final step. There are numerous reasons for a dissolution; they can occur automatically or be induced.
In such a case, you should approach the territorially competent land registration service. By completing certain formalities (filling out CERFA forms n° 3233SD and n° 3236 SD), you can obtain a copy of your property deed (which will include the name of the notary who drafted the act).