C - Chemistry – Metallurgy – 10 – B
Inventor
C - Chemistry, Metallurgy
10
B
Inventor
Country: Germany
Method and device for measuring deposit thickness
Method and device for measuring the thickness of any deposit...
Method of extracting hydrocarbons from oil-containing rock...
Nitroglycerine plaster and process for making it
Plant for extracting crude oil from oil shale
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