Method: SAVE_DATA
Method: CHECK_CHANGE
Method: REFRESH
Method: CONSTRUCTOR
Method: GET_DATA
Method: PUT_SELECTED_DATA
Method: GET_DATA_SK
Method: PUT_DATA
Method: DELETE_GROUP
Method: REFRESH_BUFFER
Method: READ_MASS_DATA_DB
Method: READ_SINGLE_DATA
Method: SAVE_ALL
Method: REREAD_PRPAR
Method: SAVE_DATA_MATERIAL