1. L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des (16 from 715 patents)

2. L'air Liquide, Société Anonyme Pour L'etude Et L'exploitation Des Procédés Georges Claude (4 from 1,434 patents)

3. L'air Liquide, Societe Anonyme a Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude (3 from 295 patents)

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