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Original standard DVGW W 116 1998-04 in PDF full version. Additional info + preview on request
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Original standard DVGW W 116 2019-12 in PDF full version. Additional info + preview on request
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Original standard DVGW W 116 E 2018-08 in PDF full version. Additional info + preview on request
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Original standard DVGW W 118 2005-07 in PDF full version. Additional info + preview on request
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Original standard DVGW W 119 2002-12 in PDF full version. Additional info + preview on request
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Original standard DVGW W 119 B 2002-12 in PDF full version. Additional info + preview on request
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