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Inventor
DE LA PENA JOHN M D
GB
2 patents
Patents
2 patents
US5202302A
Apr 13, 1993
Preparation of activated carbons by impregnation with a boron compound and a phosphorus compound
PENA JOHN M D DE
23 citations
87
US5146636A
Sep 15, 1992
Heat and smoke protective hood
PENA JOHN M D DE
27 citations
84