The following may be contributed to the company, either in ownership or in beneficial interest:
1° All intangible rights, and in particular the right for a partner to present the company as successor to his clientele or, if he is the successor of a deceased medical biology laboratory director, to the clientele of his predecessor;
2° In general, all movable property for professional use, in particular equipment, documents and archives;
3° Real estate used for the operation of the laboratory;
4° All cash sums.