No. 141, Docket 20355. February 19, 1947. Petition by National Labor Relations Board for the enforcement of an order made by it against the American White Cross Laboratories, Inc. Enforcement granted. An A.F. of L. union, in October 1944, executed a closed-shop contract with the company for the year beginning January 1, and ending December 31, 1944. The contract contained the following provisions: "Article 1A: All employees presently employed by the Employer * * * shall immediately, upon the signing