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Original standard DIN SPEC 77229-4 2021-05 in PDF full version. Additional info + preview on request
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Original standard DIN SPEC 77229-5 2020-06 in PDF full version. Additional info + preview on request
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Original standard DIN SPEC 77229-5 2021-06 in PDF full version. Additional info + preview on request
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Original standard DIN SPEC 77229-5 2022-09 in PDF full version. Additional info + preview on request
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Original standard DIN SPEC 77229-6 2022-05 in PDF full version. Additional info + preview on request
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Original standard DIN SPEC 77231 2017-08 in PDF full version. Additional info + preview on request
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