Nos. 72-1908, 72-2263 and 72-2315. August 29, 1974. Julius Rosenbaum (argued), NLRB, Washington, D.C., for petitioner in 72-1908 and for respondent in 72-2315. Norman Leonard (argued), of Gladstein, Leonard, Patsey Andersen, San Francisco, Cal., for respondent in 72-1908, for petitioners in 72-2263 and for interested party ILWU in 72-2315. Richard Ernst (argued), of Ernst Daniels, San Francisco, Cal., for amicus Pacific Maritime etc. in 72-2263 and for petitioner in 72-2315. Don S. Willner (argued)