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Original standard DVGW G 469 E 2007-12 in PDF full version. Additional info + preview on request
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Original standard DVGW G 469 E 2018-05 in PDF full version. Additional info + preview on request
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Original standard DVGW G 472 2000-08 in PDF full version. Additional info + preview on request
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Original standard DVGW G 472 2020-03 in PDF full version. Additional info + preview on request
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Original standard DVGW G 472 E 2012-07 in PDF full version. Additional info + preview on request
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Original standard DVGW G 472 E 2018-11 in PDF full version. Additional info + preview on request
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