Original standard DIN ISO 3939 1978-08 in PDF full version. Additional info + preview on request
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Standard UNE-EN 4158-2006 original PDF full version. Additional info + preview on request
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Original standard DVGW VP 670 1999-04 in PDF full version. Additional info + preview on request
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Original standard BSI Flex 2007-2025 in PDF full version. Additional info + preview on request
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Original standard VDE 0302-21 DIN EN 61857-21 2010-02 in PDF full version. Additional info + preview on request
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Original standard BS EN 50532-2010 in PDF full version. Additional info + preview on request
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