| 摘要 |
A propellant gas is described for tools, operated by combustion power, especially for setting equipment for fastening elements, on the basis of combustible gases containing a mixture of (A) 40% to 70% by weight of dimethyl ether, nitrous oxide and/or nitromethane, (B) 8% to 20% by weight of propylene, methyl acetylene, propane and/or propadiene and (C) 20% to 45% by weight of isobutane and/or n-butane.
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