4. Liquid purification or separation
  5. With alarm, indicator, register, recorder, signal or...

Public Works Research Institute

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Road information communicating system

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Traffic analysis or control of surface vehicle
Reexamination Certificate

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Road marker magnetizing method

Registers – Systems controlled by data bearing records – Transportation
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Toxic substance-detecting system with fixed microorganism membra

Liquid purification or separation – With alarm – indicator – register – recorder – signal or...
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Vehicle communication system dynamically allocating channels...

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Traffic analysis or control of surface vehicle
Reexamination Certificate

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