Petroleum, Navigation, Company. In matter of Petroleum Navigation Company and Nat'l Organization of Masters, Mates & Pilots of America; in matter of [same] and Marine Engineers' Beneficial Ass'n.; in matter of [same] and National Maritime Union of America; in matter of [same] and American Radio Tel. Ass'n., Local No. 2, cases nos. R-1107 to R-1110, decided Jan. 20, 1939; decision and certification of representatives.

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