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DE1959323A1
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Welding machine used for pipes
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GB1170113A
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Fusion Welding Methods.
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GB1102985A
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Thermally responsive devices
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GB1142701A
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Contoured main pipe and branch pipe weld preparation
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GB1039570A
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Welding machines for butt-welding tubular members
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GB1049673A
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Fluid temperature measurement apparatus
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GB1080594A
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Electric arc welding
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GB1035199A
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Improvements in or relating to methods of electric arc butt welding
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GB1043185A
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Improvements in or relating to heat exchangers
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GB1033644A
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Improvements in or relating to electric arc welding guns
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GB1031821A
|
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Automatic electric arc welding apparatus
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GB1029271A
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Improvements in or relating to vapour generating and/or vapour heating units
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GB1025521A
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Improvements in or relating to tube joints
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GB1006655A
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Temperature responsive apparatus
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GB1007771A
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Improvements in or relating to steam generating and like systems
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GB997757A
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Improvements relating to heat exchangers
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GB968586A
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Improvements in steam generating installations
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GB970381A
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Improvements in independently fired superheaters for steam generating installations
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GB912710A
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Improvements in steam raising systems
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GB938470A
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Improvements in steam generating installation
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