| E04G23/00 | Working measures on existing buildings (on foundations E02D 35/00, E02D 37/00; in connection with insulations E04B; subsequent or finishing work E04F) |
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Note(s) In addition to the subject matter referred out in this group, subject matter relating to working measures on existing buildings which are analogous to those used in constructing new buildings, is classified in the appropriate construction groups [5] |
Descriptions for E04G23/00 and notes/indexes are displayed on this screen.