FI752909

• Main Author: SALMI PEKKA
• Format: Patent
• Language: English
• Published: 21.04.1977
• Edition: 2
• Subjects: BLASTING; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINE PLANTS IN GENERAL; FIXED CONSTRUCTIONS; HAND TOOLS; HEATING; LIGHTING; MACHINES OR ENGINES FOR LIQUIDS; MACHINES OR ENGINES IN GENERAL; MANIPULATORS; MECHANICAL ENGINEERING; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR; PERCUSSIVE TOOLS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS; PRODUCING MECHANICAL POWER; STEAM ENGINES; TRANSPORTING; WEAPONS; WIND, SPRING WEIGHT AND MISCELLANEOUS MOTORS