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Dear Sir or Madam,
for safety reasons, we have to protect the pdf files of technical documentation available on our Internet page against modifications. An effective protection will only be possible from Acrobat version 7 or higher. This means you need at least Acrobat version 7.09 or higher to open these pdf files. You can then open, read and print the pdf file without a password. However, the contents of the files cannot be changed or copied.
You find the Acrobat Reader for download on the Adobe Internet website