WO1998054426A1 - A shelter for telecommunications equipment and a tower for transmitting/receiving electromagnetic signals - Google Patents

A shelter for telecommunications equipment and a tower for transmitting/receiving electromagnetic signals Download PDF

Info

Publication number
WO1998054426A1
WO1998054426A1 PCT/BR1998/000029 BR9800029W WO9854426A1 WO 1998054426 A1 WO1998054426 A1 WO 1998054426A1 BR 9800029 W BR9800029 W BR 9800029W WO 9854426 A1 WO9854426 A1 WO 9854426A1
Authority
WO
WIPO (PCT)
Prior art keywords
shelter
tower
telecommunications
equipment
transmitting
Prior art date
Application number
PCT/BR1998/000029
Other languages
French (fr)
Inventor
Sebastião BITTENCOURT DE MIRA
Original Assignee
Siemens Ltda.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from BR9703325A external-priority patent/BR9703325A/en
Priority claimed from BR9801800A external-priority patent/BR9801800A/en
Application filed by Siemens Ltda. filed Critical Siemens Ltda.
Publication of WO1998054426A1 publication Critical patent/WO1998054426A1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1242—Rigid masts specially adapted for supporting an aerial
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories

Definitions

  • the present invention refers to a tower for transmitting/receiving electromagnetic signals, and to a shelter capable of being installed in the inner region of the structure of said tower, the shelter being used for protecting electric equipment such as power sources, transmitters, receivers and other equipment required for transmitting/receiving signals such as those utilized in telecommunications.
  • the main objective of the present invention is to propose a tower having a shelter for electric equipment positioned inside the base of said tower, the structures of said tower and of said shelter being particularly versatile, in order to obtain perfect adaptation to the ground and the conditions in which they will be used.
  • This objective is achieved by means of a shelter for telecommunications equipment that is positioned in the internal region of a telecommunications tower.
  • the present invention further refers to a tower for transmitting/receiving electromagnetic signals comprising a shelter for transmission/reception equipment positioned in its internal region.
  • FIG. 1 shows a side view of a tower, at the base of which a shelter for equip- ment according to a first embodiment of the invention is arranged;
  • figure 2 is a side view of the base of the tower, showing the shelter of figure 1 in a lager detail;
  • FIG. 3 is another side view of the base of the tower, showing the internal arrangement of the equipment in said shelter illustrated in the above figures;
  • FIG. 4 is a cross-section view of the wall of the shelter illustrated in the above figures;
  • FIG. 5 is a front view of the structure of the shelter illustrated in the above figures;
  • FIG. 6 is a top view of the shelter illustrated in the above figures.
  • FIG. 7 is a side view of the base of the tower, showing in detail the shelter according to a second preferred embodiment of the invention.
  • the tower 1 which is especially suitable for transmitting and receiving electromagnetic signals, such as radio signals, has a cross-section shaped substantially as an equilat- eral triangle and comprises a shelter 2 close to the base, which in turn comprises, for instance, a transmission/reception station or a cell phone base radio station (also known as ERB).
  • the shelter 2 has the shape of a prism with a cross section that is also shaped substantially as an equilateral triangle, measuring approximately 6 m in height and its sides being approximately 5.30 m long.
  • the dimensions and shape of the shelter 2 should be appropriate to shape of the tower, and may vary according to the type of tower used, the structures of the tower 1 and of the shelter 2 working independently from each other.
  • the shelter 2 is positioned between the big tubes of the tower 1 on a concrete base 30 also triangular in shape (following the shape of the tower 1), designed to serve as an inner pavement for the first floor of the shelter 2.
  • the concrete base 30 is built on a metallic mesh (not shown) so as to obtain a structure having resistance characteristic to a compression preferably of 15 Mpa and an overload of the equipment of 15 kN/m2.
  • This structure is composed of three metallic longerons 20 forming a triangle that follows the base of the tower 1 , which are fixed to the concrete base 30 by means of an expansive anchor bolt 21 (see figure 4).
  • main columns 22 which are manufactured from metallic plates (preferably of carbon steel), bent so as to form an open triangle with the chamfered vertex 24, and the ends of the sides 23 being bent in accordance with the sides of the prism that forms the shelter 2.
  • the platform 11 of the second floor is constituted by metallic grids suitably sized for supporting the load of the equipment.
  • the grid is manufactured from carbon steel having the capacity of standing a load of 3 kN/m 2 .
  • said platform 11 is fixed to the columns 22 by means of screws 29.
  • a metallic grid facilitates the mounting of matting, electrochutes, conduits, cables, groundings, lamps, etc.
  • the use of grid unifies the environment, thus facilitating the functioning of detection, alarm, fire-fighting and air-conditioning systems.
  • the covering 12 of the shelter 2 is placed onto the columns 22 and is preferably manufactured from carbon steel plates having the capacity of standing an overload of 0.5 kN/m 2 .
  • the covering 12 should be mounted so as to make an inclination of about 2% with respect to the ground.
  • the closing of the sides of the shelter 2 is made with walls 28, which are internally and externally coated with metallic plates 25, 26 (preferably of carbon steel), as illus- trated in figure 4.
  • the space between the plates 25, 26 is filled with injected polyurethane 27, thus providing a heat and sound insulator of the shelter 2.
  • Openings are also provided in the wails 28 for placing the air- conditioning system.
  • a door 31 which is equally made of metallic plates, this door being fixed to the doorstop 28.
  • this door is foreseen to place rubber onto the doorstops of the door 31.
  • Access to the tower 1 is by the inside of the shelter 2 through an internal stair- case 15 and a hatch-type door 18, provided in the covering 12 (figures 3 and 6).
  • the covering for the door 18 has the shape of an equilateral triangle (with sides measuring 700mm) with a flanged entrance, a rubber fitting being provided for sealing against infiltration of water and dust.
  • the staircase 16 is of the climbing ladder type and provided with a body protection (not shown) along its entire length.
  • a body protection not shown
  • the pavement of said first floor is coated with a synthetic material placed onto the concrete base 30.
  • the location of the shelter 2 inside the structure of the tower 1 provided greater safety against atmospheric discharges and electromagnetic waves, besides providing econ- omy in grounding the base radio station, since a single mesh can be used for grounding around the tower 1 , which also serves to receive grounding rings inside the station.
  • the structure of steel plates provides excellent protection against external aggressions, since the electric equipment remains totally insulated, thus providing a self-protected base radio station, installed inside the tower 1.
  • a second embodiment of this invention foresees the construction of a integrated shelter 40, which is built by making good use of the metallic structure of the tower 100 itself, formed by latticework, and it is only necessary to size adequately the profiles (not shown) that compose the region of the shelter 40.
  • the shelter 40 constitutes an overlapped assembly in two or three floors, where the first floor houses power equipment such as batteries, power sources and panels, the second floor houses the specific cell phone equipment and the transmission equipment proper. In case the integrated shelter comprises three floors, the third floor will house transmission equipment.
  • the platforms of the floors 42, 43 are built on pavements of adequately sized grid, to stand the load of the equipment of the station.
  • the use of a metallic grid facilitates the mounting of mattings, electrochutes, conduits, cables, groundings, lamps, as well as detection, alarm and fire-fighting systems.
  • the integrated shelter 40 is closed by walls 45, preferably composed of concrete cast around a metallic mesh with a glass wool web for thermal protection of the station.
  • walls 45 preferably composed of concrete cast around a metallic mesh with a glass wool web for thermal protection of the station.
  • metallic panels with glass wool coating can be used, these panels being screwed in order to expedite the mounting.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The present invention refers to a telecommunications tower (1, 100), and more specifically to a shelter (2, 40) installed in the internal region of the tower (1, 100) used to protect the electric equipment, such as power sources, transmitters, receivers and other equipment required for transmitting/receiving signals. The present invention foresees a shelter (2, 40), which can be positioned in the internal (air) portion of the base of the tower (1, 100). This objective is achieved by means of a shelter for telecommunications equipment (2, 40), particularly suitable for housing equipment utilized in cell phone systems and other telecommunications systems, this shelter being positioned in the internal region of a telecommunications tower (1, 100), and having a cross section analogous to that of the tower, the shelter (2, 40) being closed by walls (28) which are formed by metallic plates (25, 26) with a filling of an insulating material (27). In addition, the shelter (2, 40) is divided into at least two floors. The present invention further relates to a telecommunications tower (1, 100), particularly utilizable in cell phone systems, which comprises a shelter (2, 40) positioned in its internal region.

Description

Title: "A SHELTER FOR TELECOMMUNICATIONS EQUIPMENT AND A TOWER FOR TRANSMITTING/RECEIVING ELECTROMAGNETIC SIGNALS"
Background of the Invention
The present invention refers to a tower for transmitting/receiving electromagnetic signals, and to a shelter capable of being installed in the inner region of the structure of said tower, the shelter being used for protecting electric equipment such as power sources, transmitters, receivers and other equipment required for transmitting/receiving signals such as those utilized in telecommunications.
Prior art As it is known, towers for transmitting and/or receiving electromagnetic signals are used for fixing antennas, the respective transmission and/or reception equipment being located in a shelter beside the tower. This positioning of the shelter has a high cost, because great losses of signal occurs due to attenuation along the transmission cables, for which reason a more powerful amplifier is required.
Another drawback resulting from the construction of the shelter beside the tower is that this arrangement requires works external to said tower for the structural foundation of the shelter, in addition to the infrastructure required for isolating the area around the shelter and the tower, by placing walls, fences, etc.
Brazilian Patent Application PI 9703325 of the same applicant, the internal pri- ority of which is claimed herein, describes a shelter arranged in the inner region of the structure of a tower, with the function of protecting transmission/reception equipment.
Object of the invention
The main objective of the present invention is to propose a tower having a shelter for electric equipment positioned inside the base of said tower, the structures of said tower and of said shelter being particularly versatile, in order to obtain perfect adaptation to the ground and the conditions in which they will be used. This objective is achieved by means of a shelter for telecommunications equipment that is positioned in the internal region of a telecommunications tower.
The present invention further refers to a tower for transmitting/receiving electromagnetic signals comprising a shelter for transmission/reception equipment positioned in its internal region.
Detailed description of the invention
This invention will be better understood from a non-limitative example illustrated in the accompanying drawings, in which:
- figure 1 shows a side view of a tower, at the base of which a shelter for equip- ment according to a first embodiment of the invention is arranged;
- figure 2 is a side view of the base of the tower, showing the shelter of figure 1 in a lager detail;
- figure 3 is another side view of the base of the tower, showing the internal arrangement of the equipment in said shelter illustrated in the above figures;
- figure 4 is a cross-section view of the wall of the shelter illustrated in the above figures;
- figure 5 is a front view of the structure of the shelter illustrated in the above figures;
- figure 6 is a top view of the shelter illustrated in the above figures; and
- figure 7 is a side view of the base of the tower, showing in detail the shelter according to a second preferred embodiment of the invention.
As illustrated in figure 1 , and according to a first preferred embodiment of this invention, the tower 1 , which is especially suitable for transmitting and receiving electromagnetic signals, such as radio signals, has a cross-section shaped substantially as an equilat- eral triangle and comprises a shelter 2 close to the base, which in turn comprises, for instance, a transmission/reception station or a cell phone base radio station (also known as ERB). According to an exemplified embodiment of the invention, the shelter 2 has the shape of a prism with a cross section that is also shaped substantially as an equilateral triangle, measuring approximately 6 m in height and its sides being approximately 5.30 m long. In order to enable its installation inside the structure the tower 1 , the dimensions and shape of the shelter 2 should be appropriate to shape of the tower, and may vary according to the type of tower used, the structures of the tower 1 and of the shelter 2 working independently from each other.
As can be seen in figure 2, the shelter 2 is positioned between the big tubes of the tower 1 on a concrete base 30 also triangular in shape (following the shape of the tower 1), designed to serve as an inner pavement for the first floor of the shelter 2. The concrete base 30 is built on a metallic mesh (not shown) so as to obtain a structure having resistance characteristic to a compression preferably of 15 Mpa and an overload of the equipment of 15 kN/m2.
As illustrated in figure 5, one foresees the provision of a metallic structure on the concrete base 30 to support the shelter 2. This structure is composed of three metallic longerons 20 forming a triangle that follows the base of the tower 1 , which are fixed to the concrete base 30 by means of an expansive anchor bolt 21 (see figure 4).These longerons
20 are preferably manufactured from cold-bent carbon steel plates.
On the vertices of the triangle formed by the longerons 20 main columns 22 are fixed, which are manufactured from metallic plates (preferably of carbon steel), bent so as to form an open triangle with the chamfered vertex 24, and the ends of the sides 23 being bent in accordance with the sides of the prism that forms the shelter 2.
The platform 11 of the second floor is constituted by metallic grids suitably sized for supporting the load of the equipment. Preferably, the grid is manufactured from carbon steel having the capacity of standing a load of 3 kN/m2. As illustrated in figure 4, said platform 11 is fixed to the columns 22 by means of screws 29.
The use of a metallic grid facilitates the mounting of matting, electrochutes, conduits, cables, groundings, lamps, etc. In addition, the use of grid unifies the environment, thus facilitating the functioning of detection, alarm, fire-fighting and air-conditioning systems.
The covering 12 of the shelter 2 is placed onto the columns 22 and is preferably manufactured from carbon steel plates having the capacity of standing an overload of 0.5 kN/m2. In order to allow the rain-water to drain adequately, the covering 12 should be mounted so as to make an inclination of about 2% with respect to the ground.
The closing of the sides of the shelter 2 is made with walls 28, which are internally and externally coated with metallic plates 25, 26 (preferably of carbon steel), as illus- trated in figure 4. The space between the plates 25, 26 is filled with injected polyurethane 27, thus providing a heat and sound insulator of the shelter 2.
Openings (not shown) are also provided in the wails 28 for placing the air- conditioning system.
Access to the shelter 2 is through a door 31 , which is equally made of metallic plates, this door being fixed to the doorstop 28. In order to obtain a sealing of the shelter 2, it is foreseen to place rubber onto the doorstops of the door 31.
Optionally, one may foresee a second door at the second floor, in order to allow the electric equipment to be handled, if necessary.
Access to the tower 1 is by the inside of the shelter 2 through an internal stair- case 15 and a hatch-type door 18, provided in the covering 12 (figures 3 and 6). The covering for the door 18 has the shape of an equilateral triangle (with sides measuring 700mm) with a flanged entrance, a rubber fitting being provided for sealing against infiltration of water and dust.
On the covering 18, one foresees the provision of antiskid metallic plates (not shown), which lead from the hatch-type opening 18 to the external staircase 16 of the tower 1.
The staircase 16 is of the climbing ladder type and provided with a body protection (not shown) along its entire length. In addition, one foresees the provision of three platforms for internal services (not shown) along the rectilinear stretch of the tower 1 and also the provision of rest platforms with a safety trap (not shown either), every six meters along said tower 1.
The pavement of said first floor is coated with a synthetic material placed onto the concrete base 30.
The location of the shelter 2 inside the structure of the tower 1 provided greater safety against atmospheric discharges and electromagnetic waves, besides providing econ- omy in grounding the base radio station, since a single mesh can be used for grounding around the tower 1 , which also serves to receive grounding rings inside the station.
In addition, the structure of steel plates provides excellent protection against external aggressions, since the electric equipment remains totally insulated, thus providing a self-protected base radio station, installed inside the tower 1.
A second embodiment of this invention foresees the construction of a integrated shelter 40, which is built by making good use of the metallic structure of the tower 100 itself, formed by latticework, and it is only necessary to size adequately the profiles (not shown) that compose the region of the shelter 40.
Thus, the shelter 40 constitutes an overlapped assembly in two or three floors, where the first floor houses power equipment such as batteries, power sources and panels, the second floor houses the specific cell phone equipment and the transmission equipment proper. In case the integrated shelter comprises three floors, the third floor will house transmission equipment.
The platforms of the floors 42, 43 are built on pavements of adequately sized grid, to stand the load of the equipment of the station. The use of a metallic grid facilitates the mounting of mattings, electrochutes, conduits, cables, groundings, lamps, as well as detection, alarm and fire-fighting systems.
The integrated shelter 40 is closed by walls 45, preferably composed of concrete cast around a metallic mesh with a glass wool web for thermal protection of the station. Optionally, metallic panels with glass wool coating can be used, these panels being screwed in order to expedite the mounting.
It should be understood that the above description only refers to preferred embodiments of the present invention, the scope of which is defined exclusively by the accom- panying claims.

Claims

I- A shelter for telecommunications equipment (2, 40), characterized by being positioned in the internal region of a telecommunications tower (1 , 100).
2- A shelter (2) according to claim 1 , characterized by having a structure that is independent from that of the tower (1).
3- A shelter (40) according to claim 1 , characterized by being built by making good use of the structure of the tower (100).
4- A shelter according to claim 1 , characterized by being closed by walls (28, 45) formed by metallic plates (25, 26) with a filling of an insulating material (27).
5- A shelter according to claim 1 , 2, or 3, characterized by being divided into at least two floors.
6- A shelter according to claim 1 , 2, or 3, characterized by having a cross section analogous to that of the tower (1 , 100).
7- A shelter according to claim 1 , 2, 3, or 4, characterized by comprising a covering (12).
8- A shelter according to claim 7, characterized in that the covering (12) comprises at least one door (31).
9- A shelter according to claim 7, characterized by comprising at least one door (18) for access to the covering (12).
10- A tower for transmitting/receiving electromagnetic signals (1 , 100), characterized by comprising a shelter (2,40) for transmission/reception equipment positioned inside it.
I I- A tower according to claim 10, characterized by having a structure that is in- dependent from that of the shelter (2). 12- A tower according to claim 10, characterized in that the shelter (40) is built by making good use of the structure of the tower (100).
PCT/BR1998/000029 1997-05-28 1998-05-28 A shelter for telecommunications equipment and a tower for transmitting/receiving electromagnetic signals WO1998054426A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BR9703325A BR9703325A (en) 1997-05-28 1997-05-28 Telecommunication tower
BRPI9703325-1 1997-05-28
BR9801800A BR9801800A (en) 1998-03-12 1998-03-12 Shelter for telecommunications equipment and tower for transmission / reception of electromagnetic signals
BRPI9801800-0 1998-03-12

Publications (1)

Publication Number Publication Date
WO1998054426A1 true WO1998054426A1 (en) 1998-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR1998/000029 WO1998054426A1 (en) 1997-05-28 1998-05-28 A shelter for telecommunications equipment and a tower for transmitting/receiving electromagnetic signals

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Country Link
WO (1) WO1998054426A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340513A (en) * 1998-08-14 2000-02-23 Portasilo Ltd An aerial mast
WO2001067544A2 (en) * 2000-03-07 2001-09-13 Emmanuel Livadiotti Radio broadcasting device and relay tower therefor
FR2807214A1 (en) * 2000-03-07 2001-10-05 Emmanuel Livadiotti Relay tower for radio transmissions includes parallelogram linkage in upper tower to keep aerial supports at required angle
EP1148456A1 (en) * 2000-04-05 2001-10-24 Eudosia S.P.A. Maintenance system for shelters
GB2340850B (en) * 1998-07-09 2002-06-05 R & T Swann Ltd Mast
FR2907826A1 (en) * 2006-10-27 2008-05-02 Maurice Pingon Telecommunication tower, has nodes connected between flanges and rigid horizontal triangulation of successive connection zone on each side of vertical triangulations, where horizontal triangulations connects flanges with each other
ES2418445A1 (en) * 2011-10-20 2013-08-13 Jiménez Belinchón, S.A. Anti-tubular tubular surveillance tower (Machine-translation by Google Translate, not legally binding)
CN109972895A (en) * 2019-03-15 2019-07-05 中国能源建设集团江苏省电力设计院有限公司 A kind of electric power pylon grid type tower body structure
RU197005U1 (en) * 2019-12-31 2020-03-24 Шибеева Галина Юрьевна Projection Mast

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH510807A (en) * 1969-09-05 1971-07-31 Voest Ag Arrangement of the protective cabin for the equipment required for operation and maintenance on radio masts
US5247770A (en) * 1992-01-13 1993-09-28 Ting Raymond M L Exterior composite foam panel wall joint design
BR9703325A (en) 1997-05-28 2000-04-18 Equitel S A Equipamentos E Sis Telecommunication tower

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH510807A (en) * 1969-09-05 1971-07-31 Voest Ag Arrangement of the protective cabin for the equipment required for operation and maintenance on radio masts
US5247770A (en) * 1992-01-13 1993-09-28 Ting Raymond M L Exterior composite foam panel wall joint design
BR9703325A (en) 1997-05-28 2000-04-18 Equitel S A Equipamentos E Sis Telecommunication tower

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KUWAHARA ET AL: "Prefabricated Building System for Radio Relay Stations", REWIEW OF THE ELECTRICAL COMM. LABO., vol. 27, no. 3/4, Takyo, Japan, pages 236 - 250, XP002078084 *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2340850B (en) * 1998-07-09 2002-06-05 R & T Swann Ltd Mast
GB2340513A (en) * 1998-08-14 2000-02-23 Portasilo Ltd An aerial mast
WO2001067544A2 (en) * 2000-03-07 2001-09-13 Emmanuel Livadiotti Radio broadcasting device and relay tower therefor
FR2807214A1 (en) * 2000-03-07 2001-10-05 Emmanuel Livadiotti Relay tower for radio transmissions includes parallelogram linkage in upper tower to keep aerial supports at required angle
WO2001067544A3 (en) * 2000-03-07 2002-06-20 Emmanuel Livadiotti Radio broadcasting device and relay tower therefor
US6903705B2 (en) 2000-03-07 2005-06-07 Emmanuel Livadiotti Radio broadcasting device and relay tower therefor
EP1148456A1 (en) * 2000-04-05 2001-10-24 Eudosia S.P.A. Maintenance system for shelters
FR2907826A1 (en) * 2006-10-27 2008-05-02 Maurice Pingon Telecommunication tower, has nodes connected between flanges and rigid horizontal triangulation of successive connection zone on each side of vertical triangulations, where horizontal triangulations connects flanges with each other
ES2418445A1 (en) * 2011-10-20 2013-08-13 Jiménez Belinchón, S.A. Anti-tubular tubular surveillance tower (Machine-translation by Google Translate, not legally binding)
CN109972895A (en) * 2019-03-15 2019-07-05 中国能源建设集团江苏省电力设计院有限公司 A kind of electric power pylon grid type tower body structure
RU197005U1 (en) * 2019-12-31 2020-03-24 Шибеева Галина Юрьевна Projection Mast

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