prov:value
| - R'=alkyl, such as, for example, methyl, ethyl, R'=cycloalkyl n-propyl, isopropyl, butyl n=1-20 f) organosilanes of type (RO).sub.3Si(CH.sub.2).sub.m--R' R=alkyl, such as methyl, ethyl, propyl m=0,1-20 R'=methyl, aryl (for example --C.sub.6H.sub.5,
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