Oxygenation of water in a fishing tub (2) without the need for heavy weights and any restrictions on fishing. A special thin-walled aeration insert (1) with oxygenation is placed in the fishing vat (2), which is not self-supporting, but copies the walls (12) and bottom (11) of the fishing vat (2). B.....
[更多]
(16) professional periodic and non-periodical publications published in printed form, printing products, printed texts, magazines, periodicals, books, scripts, textbooks, dictionaries, manuals, syllaves, proceedings, catalogues, brochures, forms, yearbooks, calendars, manuals, book binding supplies,.....
[更多]
(9) advertising, promotional and information materials disseminated by electronic media, including the Internet communication network, electronic media such as electronic catalogues, magazines and other periodicals, machine-readable media and information stored therein, software on media; (16) perio.....
[更多]
The technical solution concerns the area of monitoring the impact of pollution on aquatic organisms, namely hydrobionic monitoring equipment, in particular for the purposes of saprobiological analysis of water quality on drainage objects from ponds.
[更多]
The task of the technical solution is to create such a remote control of the potentiometers of the amplifier, which would allow to set different sounds and switch between them without the need for external effects or multiple amplifiers, but the guitar would be connected directly to the amplifier vi.....
[更多]
|< <- | [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] | -> >| |