"our investigations to date have established that mechanical failure can be ruled out" in German Our investigations to date have established that mechanical failure can be ruled out. Unsere bisherigen Untersuchungen haben ergeben, dass technisches Versagen auszuschließen ist. Detailed translations for "our investigations to date have established that mechanical failure can be ruled out" Our investigations to date have established that mechanical failure can be ruled out. Our investigations to date have established that mechanical failure can be ruled out. Unsere bisherigen Untersuchungen haben ergeben, dass technisches Versagen auszuschließen ist.