4. H - Electricity
  5. 01
  6. B

Donald F. Rugen

H - Electricity – 01 – B

Inventor

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Inventor

Country: United States Of America

Geobiochemical prospecting

C - Chemistry – Metallurgy – 12 – Q
Patent

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Oil recovery agent

E - Fixed Constructions – 21 – B
Patent

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Sec-butylbiphenyl composition and process

H - Electricity – 01 – B
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Profile ID: LFCA-PAI-P-118756

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