“ After finding that the primary employer was not in commerce and ruling that the pre-emption rule of San Diego Building Trades Council v. Garmon, 359 U.S. 236, 79 S.Ct. 773, 3 L.Ed.2d 775, was therefore not applicable, the state court enjoined picketing at the premises of the secondary employer. The judgment must be reversed. The jurisdictional standards established by the National Labor Relations Board (see 2o N.L.R.B.Ann.Rep. 8 (1958) ) may be satisfied by reference to the business operations of either the primary or the secondary employer. Truck Drivers Local No. ”