Number | Name | Date | Kind |
---|---|---|---|
3719601 | Jacocks | Mar 1973 | |
3899026 | Culter | Aug 1975 |
Entry |
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Rogers, Comp. and Props. of Oil Well Drilling Fluids, 1 ed., (Gulf, 1948), pp. 391-393. |
Rogers, Comp. and Props. of Oil Well Fluids, 3 ed., (Gulf l963), pp. 184-185, 194-195. |
Martens, Tech. of Paints, Varnishes and Lacquers, (Reinhold 1968), pp. 343, 358. |