4. Measuring and testing
  5. With fluid pressure
  6. Porosity or permeability

Philippe Poulain

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Authentication of data transmitted in a digital transmission...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Authentication of data transmitted in a digital transmission...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate

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Authentication of data transmitted in a digital transmission...

Cryptography – Communication system using cryptography – Symmetric key cryptography
Reexamination Certificate

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Authentication of data transmitted in a digital transmission...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

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Authentication of data transmitted in a digital transmission...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Packet header designating cryptographically protected data
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2138416

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