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- [6] IMPROVING ARRANGEMENTS FOR CONTACT IN AUTOMATIC AND SEMI-AUTOMATIC WELDING WELDING PRODUCTION, 1968, 15 (09): : 77 - &
- [7] A SEMI-AUTOMATIC VACUUM CHEST UNIT AMERICAN JOURNAL OF ROENTGENOLOGY RADIUM THERAPY AND NUCLEAR MEDICINE, 1969, 106 (03): : 648 - &