national-labor-relations-board-v-local-542-international-union-of , 329 F.2d 512 ( 1964 )
Carpenter Sprinkler Corporation v. National Labor Relations Board , 605 F.2d 60 ( 1979 )
national-labor-relations-board-v-highway-truckdrivers-and-helpers-local , 300 F.2d 317 ( 1962 )