booster-lodge-no-405-international-association-of-machinists-and , 459 F.2d 1143 ( 1972 )
Carpenter Sprinkler Corporation v. National Labor Relations Board , 605 F.2d 60 ( 1979 )
e-l-wiegand-division-emerson-electric-company-v-national-labor , 650 F.2d 463 ( 1981 )