CN117104431A - Combined flagpole navigation signal lamp - Google Patents

Combined flagpole navigation signal lamp Download PDF

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Publication number
CN117104431A
CN117104431A CN202311111235.3A CN202311111235A CN117104431A CN 117104431 A CN117104431 A CN 117104431A CN 202311111235 A CN202311111235 A CN 202311111235A CN 117104431 A CN117104431 A CN 117104431A
Authority
CN
China
Prior art keywords
lamp
flagpole
annular
base
light
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202311111235.3A
Other languages
Chinese (zh)
Inventor
施财龙
黄振宁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Sunny Electric Group Co Ltd
Original Assignee
Anhui Sunny Electric Group Co Ltd
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
Application filed by Anhui Sunny Electric Group Co Ltd filed Critical Anhui Sunny Electric Group Co Ltd
Priority to CN202311111235.3A priority Critical patent/CN117104431A/en
Publication of CN117104431A publication Critical patent/CN117104431A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00—Arrangements or adaptations of signalling or lighting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B45/00—Arrangements or adaptations of signalling or lighting devices
    • B63B45/04—Arrangements or adaptations of signalling or lighting devices the devices being intended to indicate the vessel or parts thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • F21S8/081—Lighting devices intended for fixed installation with a standard of low-built type, e.g. landscape light
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/20—Use or application of lighting devices on or in particular types of vehicles for water vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

The application relates to the technical field of marine lamps, in particular to a combined flagpole navigation signal lamp, which comprises a base fixedly arranged at the top end of a flagpole, wherein a triangular prism is detachably connected to the upper side of the base, the top end of the triangular prism is provided with a top cover, and a light-permeable annular lampshade is arranged between the top cover and the base; be provided with the division board on the triangular prism, anchor lamp light source and sea mend lamp light source are installed to the division board downside be provided with the flagpole lamp light source above the division board. When using, 360 degrees horizontal light arcs can be realized to anchor lamp source and sea mend lamp source, avoid appearing sight blind area, simultaneously, this structure has reduced the whole volume of signal lamp for the windage that the flagpole wholly receives is less, and the flagpole lamp is in the course of the work, and the pilot signal is more accurate.

Description

Combined flagpole navigation signal lamp
Technical Field
The application relates to the technical field of marine lamps, in particular to a combined flagpole navigation signal lamp.
Background
The flagpole navigation signal lamp is a lamp fixed on a flagpole and comprises an anchor lamp, a sea repair lamp, a flagpole lamp and the like, wherein the anchor lamp is a 360-degree horizontal light arc, a signal lamp with uninterrupted white light is displayed in the anchor lamp, and the signal lamp is used for being used for anchoring at night, indicating the anchoring state, displaying the ship length together by the bow and stern anchor lamps, and avoiding collision. The sea repair lamp is a signal lamp which displays uninterrupted red light in a 360-degree horizontal light arc, is used for outwards releasing signals when in night replenishment, indicates that night replenishment operation is performed at the moment, displays the length of the bow and the stern, and avoids false collision. The flagpole lamp is used for indicating the direction of the middle line of the bow of the ship and judging the course and the track for the night navigation personnel.
Anchor lamp, sea mend lamp, flagpole lamp among the prior art are fixed in on the flagpole respectively, and the time separates each other and sets up, can form a plurality of signal lamps on the flagpole after the installation, and a plurality of signal lamps have taken up a large amount of flagpole positions, lead to the flagpole to receive windage great, and signal lamp indication effect is relatively poor.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides the combined flagpole navigation signal lamp, when the combined flagpole navigation signal lamp is used, the anchor lamp source and the sea repair lamp source can realize 360-degree horizontal light arc, so that sight dead zones are avoided, meanwhile, the structure reduces the whole volume of the signal lamp, the wind resistance of the whole flagpole is smaller, and the indication signal is more accurate in the working process of the flagpole lamp.
(II) technical scheme
In order to achieve the above purpose, the embodiment of the application provides a combined flagpole navigation signal lamp, which comprises a base fixedly arranged at the top end of a flagpole, wherein a triangular prism is detachably connected to the upper side of the base, the top end of the triangular prism is provided with a top cover, and a light-permeable annular lampshade is arranged between the top cover and the base; be provided with the division board on the triangular prism, anchor lamp light source and sea mend lamp light source are installed to the division board downside be provided with the flagpole lamp light source above the division board.
Preferably, the upper end of the annular lampshade is in sealing and abutting joint with the top cover, the lower end of the annular lampshade is in sealing and abutting joint with the base, an upper lamp cavity is formed on one side, close to the top cover, of the isolation plate, and a lower lamp cavity is formed on one side, close to the base, of the isolation plate; the outer side of the top cover is provided with an annular light shield, the annular light shield is positioned at the outer side of the annular lampshade, the height of one end, far away from the top cover, of the annular light shield is lower than that of the isolation plate, and an installation groove for the annular lampshade to pass through is formed between the isolation plate and the annular light shield; and the annular light shield is provided with a light outlet hole, and the light outlet direction of the flagpole light source is aligned with the light outlet hole.
Preferably, a first circuit board is fixed on the triangular prism, the first circuit board is positioned at the inner side of the upper lamp cavity, and the lamp source of the lamp for sea repair is fixed on the first circuit board; and the three outer side walls of the triangular prism are respectively fixed with a second circuit board, and each second circuit board is respectively fixed with an anchor lamp source and a maritime repair lamp source.
Preferably, the anchor lamp light source comprises an anchor lamp main light source and a standby light source which are arranged at intervals.
Preferably, the base is provided with a connecting hole, an aviation socket assembly is fixedly installed at the connecting hole, a central hole is formed at one end, close to the base, of the triangular prism, a three-core socket is formed at one end of the aviation socket assembly and is located in the central hole, the other end of the aviation socket assembly is connected with a cable and located in the flagpole, and the three-core socket is connected with the first circuit board and the second circuit board through wires.
Preferably, a connecting sleeve is formed at one end of the base, which is close to the flagpole, and the diameter of the connecting sleeve is smaller than that of the base and is inserted into the end part of the flagpole, and the connecting sleeve is fixedly connected with the flagpole through a bolt.
Preferably, a limiting ring is integrally formed on one side, close to the top cover, of the base, and the limiting ring is positioned between the annular lampshade and the triangular prism; the inner side pad of the limiting ring is provided with a first annular sealing pad, and the triangular prism is abutted to the first annular sealing pad and fixedly connected with the base through a bolt.
Preferably, the base is close to a side face of the top cover and is provided with an annular lower sealing groove, the top cover is close to a side face of the base and is provided with an annular upper sealing groove, second annular sealing gaskets are respectively arranged in the lower sealing groove and the upper sealing groove, and the upper end and the lower end of the annular lampshade are respectively abutted to the upper sealing groove and the lower sealing groove and are sealed through the second annular sealing gaskets.
Preferably, a light-gathering sleeve is fixed on the annular light shield and positioned outside the light-emitting hole.
(III) beneficial effects
The application provides a combined flagpole navigation signal lamp, which is characterized in that an upper lamp cavity and a lower lamp cavity are formed through a base, a top cover, a triangular prism, a separation plate and an annular lampshade which are arranged between the base and the top cover, a flagpole lamp source is arranged in the upper lamp cavity, an anchor lamp source and a sea repair lamp source are arranged in the lower lamp cavity, three functional signal lamps are integrated on the inner side of a lamp shell, and the number and the volume of the signal lamps are greatly reduced. Make the signal lamp more integrate, in the use, this signal lamp is located the top of flagpole lamp, and anchor lamp source and sea mend lamp source can realize 360 degrees horizontal light arcs, avoid appearing sight blind area, simultaneously, this structure has reduced the whole volume of signal lamp for the windage that the flagpole wholly receives is less, in the use, and the flagpole is less under sea wind effect swing amplitude, and the flagpole lamp is more accurate in the course of the work, pilot signal.
Drawings
Fig. 1 is a schematic view of a mechanism for loading vacuum packed eggs into a foam box according to the present application;
FIG. 2 is a schematic view of a part of the structure of FIG. 1;
fig. 3 is a schematic view showing a structure of a vacuum-packed egg loading mechanism according to the present application in a state where the vacuum-packed eggs are laid flat;
fig. 4 is a schematic view showing a structure of a vacuum-packed egg loading mechanism according to the present application in a state that the vacuum-packed eggs are inclined;
fig. 5 is a schematic view showing a structure of a vacuum-packed egg loading mechanism according to the present application in a vacuum-packed egg press-in state;
the reference numerals in the drawings:
100. a base; 110. a connection hole; 120. a connection sleeve; 130. a limiting ring; 140. a first annular seal; 150. a lower seal groove; 200. triangular prism; 210. a partition plate; 220. a central bore; 300. a top cover; 310. an annular light shield; 311. a light outlet hole; 312. a light-gathering sleeve; 320. a mounting groove; 330. an upper seal groove; 331. a second annular seal; 400. an annular lampshade; 410. a lamp cavity is arranged; 420. a lower lamp cavity; 500. an anchor lamp source; 510. an anchor lamp main lamp source; 520. a standby light source; 600. a lamp source of the sea repair lamp; 610. a second circuit board; 700. a flagpole light source; 710. a first circuit board; 800. an aerial socket assembly; 810. a cable; 900. a flagpole.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
The application provides a combined flagpole navigation signal lamp, referring to fig. 1-5, comprising a base 100 fixedly arranged at the top end of a flagpole 900, a triangular prism 200 is detachably connected to the upper side of the base 100, a top cover 300 is arranged at the top end of the triangular prism 200, and a light-permeable annular lampshade 400 is arranged between the top cover 300 and the base 100; the triangular prism 200 is fixedly provided with a separation plate 210, the separation plate 210 is horizontally arranged, an anchor light source 500 and a sea repair light source 600 are arranged on the lower side of the separation plate 210, and a flagpole light source 700 is arranged above the separation plate 210. Through this setting, can integrate at flagpole 900 top and form the signal lamp, this signal lamp can possess anchor lamp, maritime repair lamp and flagpole 900 lamp transmission signal's function. And realizing integration of a plurality of signal lamps.
The upper end of the annular lampshade 400 is in sealing contact with the top cover 300, the lower end of the annular lampshade is in sealing contact with the base 100, an upper lamp cavity 410 is formed on one side, close to the top cover 300, of the isolation plate 210, and a lower lamp cavity 420 is formed on one side, close to the base 100, of the isolation plate 210. Wherein, the flagpole light source 700 is installed in the upper lamp chamber 410, and the lamp source 600 are installed in the lower lamp chamber 420.
An annular light shield 310 is disposed on the outer side of the top cover 300, the annular light shield 310 is disposed on the outer side of the annular lamp cover 400, and the height of one end of the annular light shield 310 far away from the top cover 300 is lower than that of the isolation plate 210, and a mounting groove 320 for the annular lamp cover 400 to pass through is formed between the isolation plate 210 and the annular light shield 310. The annular light shield 310 is provided with a light outlet 311, and the light outlet direction of the flagpole light source 700 is aligned with the light outlet 311. Through the isolation plate 210 and the annular light shield 310, the upper lamp cavity 410 can be isolated and shielded, so that the flagpole 900 lamp can conveniently emit a beam of light source through the light emitting hole 311, and the specific function signal is transmitted.
More preferably, a condensing sleeve 312 is fixed to the annular light shield 310 and outside the light exit hole 311.
The triangular prism 200 is fixed with a first circuit board 710, the first circuit board 710 is located inside the upper lamp cavity 410, and the lamp source 600 is fixed on the first circuit board 710.
The three outer sidewalls of the triangular prism 200 are respectively fixed with a second circuit board 610 located in the lower lamp cavity 420, and each second circuit board 610 is fixed with an anchor lamp source 500 and a lamp source 600. Further, the anchor light source 500 includes an anchor light main light source 510 and a standby light source 520 which are disposed at intervals.
The base 100 is provided with a connecting hole 110, an aviation socket assembly 800 is fixedly installed at the connecting hole 110, a central hole 220 is formed at one end of the triangular prism 200 close to the base 100, a three-core socket is formed at one end of the aviation socket assembly 800 and is located in the central hole 220, a cable 810 is connected to the other end of the aviation socket assembly 800 and is located in the flagpole 900, and the three-core socket is connected with the first circuit board 710 and the second circuit board 610 through wires.
The base 100 is formed with the adapter sleeve 120 near the one end of flagpole 900, and adapter sleeve 120's diameter is less than base 100, and peg graft in flagpole 900 tip, adapter sleeve 120 and flagpole 900 pass through bolt fixed connection.
A limit ring 130 is integrally formed on one side of the base 100 close to the top cover 300, and the limit ring 130 is positioned between the annular lampshade 400 and the triangular prism 200; the first annular sealing pad 140 is arranged on the inner side of the limiting ring 130, and the triangular prism 200 is abutted against the first annular sealing pad 140 and fixedly connected with the base 100 through bolts.
An annular lower sealing groove 150 is formed in a side surface, close to the top cover 300, of the base 100, an annular upper sealing groove 330 is formed in a side surface, close to the base 100, of the top cover 300, second annular sealing gaskets 331 are respectively arranged in the lower sealing groove 150 and the upper sealing groove 330, and the upper end and the lower end of the annular lampshade 400 are respectively abutted to the upper sealing groove 330 and the lower sealing groove 150 and sealed through the second annular sealing gaskets 331.
The application provides a combined flagpole 900 navigation signal lamp, which is characterized in that an upper lamp cavity and a lower lamp cavity are formed through a base 100, a top cover 300, a triangular prism 200, a partition board 210 and an annular lamp cover 400 which are arranged between the base and the top cover, wherein a flagpole 900 lamp source 700 is arranged in an upper lamp cavity 410, an anchor lamp source 500 and a sea repair lamp source 600 are arranged in a lower lamp cavity 420, three functional signal lamps are integrated on the inner side of a lamp shell, and the number and the volume of the signal lamps are greatly reduced. Make the signal lamp more integrate, in the use, this signal lamp is located the top of flagpole 900 lamp, and anchor lamp light source 500 and maritime repair lamp light source 600 can realize 360 degrees horizontal light arcs, avoid appearing sight blind area, simultaneously, this structure has reduced the whole volume of signal lamp for the windage that flagpole 900 wholly received is less, and in the use, flagpole 900 swing amplitude is less under the sea wind effect, and flagpole 900 lamp is in the course of the work, and the pilot signal is more accurate.
In the description of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," "rear," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of description and to simplify the description, but do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art. Embodiments of the application and features of the embodiments may be combined with each other without conflict.
The foregoing examples merely illustrate embodiments of the application and are described in more detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (9)

1. A combined flagpole navigation signal lamp is characterized in that: comprises a base (100) fixedly arranged at the top end of a flagpole (900);
a triangular prism (200) is detachably connected to the upper side of the base (100), a top cover (300) is arranged at the top end of the triangular prism (200),
an annular lampshade (400) capable of transmitting light is arranged between the top cover (300) and the base (100);
be provided with division board (210) on triangular prism (200), anchor lamp light source (500) and sea mend lamp light source (600) are installed to division board (210) below division board (210) top is provided with flagpole lamp light source (700).
2. A modular flagpole travel signal light as claimed in claim 1, wherein: the upper end of the annular lampshade (400) is in sealing abutting joint with the top cover (300), the lower end of the annular lampshade is in sealing abutting joint with the base (100), an upper lamp cavity (410) is formed on one side, close to the top cover (300), of the isolation plate (210), and a lower lamp cavity (420) is formed on one side, close to the base (100), of the isolation plate (210);
the outer side of the top cover (300) is provided with an annular light shield (310), the annular light shield (310) is positioned at the outer side of the annular lampshade (400), the height of one end, far away from the top cover (300), of the annular light shield (310) is lower than that of the isolation plate (210), and a mounting groove (320) for the annular lampshade (400) to pass through is formed between the isolation plate (210) and the annular light shield (310);
and the annular light shield (310) is provided with a light outlet hole (311), and the light outlet direction of the flagpole light source (700) is aligned with the light outlet hole (311).
3. A modular flagpole travel signal light as claimed in claim 2, wherein: a first circuit board (710) is fixed on the triangular prism (200), the first circuit board (710) is positioned at the inner side of the upper lamp cavity (410), and the lamp source (600) of the sea repair lamp is fixed on the first circuit board (710);
and the three outer side walls of the triangular prism (200) are respectively fixed with a second circuit board (610) which is positioned in the lower lamp cavity (420), and each second circuit board (610) is respectively fixed with an anchor lamp source (500) and a lamp source (600) of the lamp.
4. A modular flagpole travel signal light as claimed in claim 3, wherein: the anchor lamp light source (500) comprises an anchor lamp main light source (510) and a standby light source (520) which are arranged at intervals.
5. A modular flagpole travel signal light as claimed in claim 3, wherein: the novel socket is characterized in that a connecting hole (110) is formed in the base (100), an aviation socket assembly (800) is fixedly installed at the connecting hole (110), a central hole (220) is formed in one end, close to the base (100), of the triangular prism (200), a three-core socket is formed in one end of the aviation socket assembly (800) and is located in the central hole (220), a cable (810) is connected to the other end of the aviation socket assembly (800), the cable is located in the flagpole (900), and the three-core socket is connected with a first circuit board (710) and a second circuit board (610) through wires.
6. A modular flagpole travel signal light as claimed in claim 1, wherein: the base (100) is close to one end of the flagpole (900) and is formed with a connecting sleeve (120), the diameter of the connecting sleeve (120) is smaller than that of the base (100), the connecting sleeve is inserted into the end of the flagpole (900), and the connecting sleeve (120) is fixedly connected with the flagpole (900) through bolts.
7. A modular flagpole travel signal light as claimed in claim 1, wherein: a limiting ring (130) is integrally formed on one side of the base (100) close to the top cover (300), and the limiting ring (130) is positioned between the annular lampshade (400) and the triangular prism (200);
the inner side of the limiting ring (130) is provided with a first annular sealing gasket (140), and the triangular prism (200) is abutted to the first annular sealing gasket (140) and fixedly connected with the base (100) through bolts.
8. A modular flagpole travel signal light as claimed in claim 1, wherein: annular lower seal groove (150) has been seted up to a side that base (100) is close to top cap (300), top cap (300) is close to annular upper seal groove (330) has been seted up to a side of base (100), lower seal groove (150) with be provided with second annular seal pad (331) in upper seal groove (330) respectively, upper and lower both ends of annular lamp shade (400) butt respectively in upper seal groove (330), lower seal groove (150), and pass through second annular seal pad (331) are sealed.
9. A modular flagpole travel signal light as claimed in claim 2, wherein: and a light-gathering sleeve (312) is fixed on the annular light shield (310) and positioned outside the light-emitting hole (311).
CN202311111235.3A 2023-08-31 2023-08-31 Combined flagpole navigation signal lamp Pending CN117104431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311111235.3A CN117104431A (en) 2023-08-31 2023-08-31 Combined flagpole navigation signal lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311111235.3A CN117104431A (en) 2023-08-31 2023-08-31 Combined flagpole navigation signal lamp

Publications (1)

Publication Number Publication Date
CN117104431A true CN117104431A (en) 2023-11-24

Family

ID=88805305

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311111235.3A Pending CN117104431A (en) 2023-08-31 2023-08-31 Combined flagpole navigation signal lamp

Country Status (1)

Country Link
CN (1) CN117104431A (en)

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