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DE2740411A1
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Screwed fitting for water meter - consists of two paths, one with sleeve nut, and other with outer thread, and non-return valve between them
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Water meter wall connection bracket - comprising two projecting arms with open slit mountings for screw couplings
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ELECTRICALLY INSULATING INTERMEDIATE FOR PIPING
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Low pressure protection for gas lines
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Connection device for gas meter
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Dry gas meter
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Connection device for gas meter
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Connection for gas meter
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DE474156C
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Connection piece for gas meter
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