++++ 1 . SOCIAL SECURITY FOR MIGRANT WORKERS - BENEFITS - NATIONAL RULES FOR PREVENTING THE OVERLAPPING OF BENEFITS - ENTITLEMENT ARISING SOLELY UNDER NATIONAL LEGISLATION - APPLICABILITY - LIMITS - COMMUNITY RULES MORE FAVOURABLE TO WORKERS ( REGULATION NO 1408/71 OF THE COUNCIL, ARTS 12*(2 ) AND 46 ) 2 . SOCIAL SECURITY FOR MIGRANT WORKERS - BENEFITS - NATIONAL RULES FOR PREVENTING THE OVERLAPPING OF BENEFITS - NOT CAPABLE OF BEING RELIED UPON AS AGAINST RECIPIENTS OF BENEFITS OF THE SAME KIND CALCULATED IN ACCORDANCE WITH THE PROVISIONS OF REGULATION NO 1408/71 - BENEFITS OF THE SAME KIND - CRITERIA - PERSONAL INVALIDITY PENSION AND SURVIVOR' S PENSION - BENEFITS OF A DIFFERENT KIND ( REGULATION NO 1408/71 OF THE COUNCIL, ARTS 12*(2 ) AND 46 ) 3 . SOCIAL SECURITY FOR MIGRANT WORKERS - BENEFITS - NATIONAL RULES FOR PREVENTING THE OVERLAPPING OF BENEFITS - CLASSIFICATION OF AN INVALIDITY PENSION GRANTED BY ONE MEMBER STATE WITH REGARD TO THE LEGISLATION OF ANOTHER MEMBER STATE - QUESTION GOVERNED BY NATIONAL LAW 4 . SOCIAL SECURITY FOR MIGRANT WORKERS - BENEFITS - NATIONAL RULES FOR PREVENTING THE OVERLAPPING OF BENEFITS - DETAILED RULES OF APPLICATION - ARTICLE 7 ( 1 ) ( B ) OF REGULATION NO 574/72 - APPLICATION TO THE OVERLAPPING OF A SURVIVOR' S PENSION WITH A PENSION OF A DIFFERENT KIND TO WHICH ENTITLEMENT WAS ACQUIRED IN ANOTHER MEMBER STATE ( REGULATION NO 574/72 OF THE COUNCIL, ART . 7*(1)*(B )*)