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PREORDER E DIN IEC 61874 VDE 0412-21:2025-10

Nuclear instrumentation

Geophysical borehole instrumentation to determine rock density ('density logging')

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20.65 € 
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withdrawn:

DIN EN 61779-1 VDE 0400-1:2001-07

Electrical apparatus for the detection and measurement of flammable gases

General requirements and test methods

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105.73 € 
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DIN EN 61779-2 VDE 0400-2:2001-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for group I apparatus indicating a volume fraction up to 5 % methane in air

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26.47 € 
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DIN EN 61779-3 VDE 0400-3:2001-07

Electrical apparatus for the detection and measurement of flammable gases

Performances requirements for Group I apparatus indicating à volume fraction up to 100 % methane in air

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26.47 € 
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DIN EN 61779-4 VDE 0400-4:2001-07

Electrical apparatus for the detection and measurement of combustible gases

Performance requirements for group II apparatus indicating a volume fraction up to 100 % lower explosive limit

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26.47 € 
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