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GB1167967A
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Improvements relating to Mechanism for Converting and Recording Data.
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US3413851A
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Nutating disk meters
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US3394881A
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Portable recording
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US3407378A
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Electrical contact system
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US3369746A
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Storing data
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US3385518A
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Portable recording device
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GB1119422A
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Improvements in or relating to liquid meters
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US3346182A
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Reversible drive
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US3363477A
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Gear train assembly
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US3359514A
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Electric scanner
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US3283998A
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Registering remotely from meter
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GB1045256A
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Magnetic drive for fluid flow meters
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US3310801A
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Analog-digital converter for watt-hour meters
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US3299423A
|
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Digital encoder
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US3169398A
|
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Magnetic drive for fluid flow meters
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US3074429A
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Pivoted check valve
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CA790217A
|
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Digital encoder
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CA815725A
|
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Electrical readout of mechanically stored data
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CA849708A
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Electrically connecting and disconnecting
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CA860070A
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Relief valve
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