TS 3007-1978 CONTINUOUS MECHANICAL HANDLING EQUiPMENT FOR LOOSE BULK MATERIALS - MOBILE SUCTION PIPES SUSPENDED FROM DERRICK JIBS USED IN PNEUMATIC HANDLING - SAFETY CODE
1978TS 3007-1978 CONTINUOUS MECHANICAL HANDLING EQUiPMENT FOR LOOSE BULK MATERIALS - MOBILE SUCTION PIPES SUSPENDED FROM DERRICK JIBS USED IN PNEUMATIC HANDLING - SAFETY CODE