CN106013631A - Metal water dripping line for preventing pollution of wall and wall bulging structure - Google Patents
Metal water dripping line for preventing pollution of wall and wall bulging structure Download PDFInfo
- Publication number
- CN106013631A CN106013631A CN201610546873.1A CN201610546873A CN106013631A CN 106013631 A CN106013631 A CN 106013631A CN 201610546873 A CN201610546873 A CN 201610546873A CN 106013631 A CN106013631 A CN 106013631A
- Authority
- CN
- China
- Prior art keywords
- metope
- overhanging
- attachment flaps
- sheet
- flow deflector
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0459—Drainage borders, e.g. dripping edges, gravel stops or dispersers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
- E04D13/0404—Drainage on the roof surface
- E04D13/0459—Drainage borders, e.g. dripping edges, gravel stops or dispersers
- E04D2013/0468—Drip edges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
Abstract
The invention particularly relates to metal water dripping line which is installed on the upper part of a wall bulging structure and used for preventing sagging and pollution of a wall and the wall bulging structure. The metal water dripping line comprises two attaching sheets, wherein an opening angle alpha between the two attaching sheets is greater than 0 and less than 180 degrees; an intersected ridge of the two attaching sheets is connected with an overhanging sheet extending along the direction of a horizontal line, and a guiding sheet extending towards the position below the overhanging sheet is connected onto the edge of the overhanging sheet corresponding to the intersected ridge; a guiding angle beta between the guiding sheet and the overhanging sheet is greater than or equal to alpha and less than 180 degrees; and the guiding sheet, the attaching sheets and the overhanging sheet are equal in length. The overhanging sheet extending along the direction of the horizontal line can change the flowing direction of rainy water, so that the rainy water is away from a facade of the wall bulging structure and drips along the guiding sheet. The guiding angle beta is greater than or equal to alpha and less than 180 degrees, so that the guiding sheet is disposed in an area between two extreme positions having sagging: a position parallel to the facade of the wall bulging surface and a horizontal position coplanar with the guiding sheet, thereby preventing the wall and the wall bulging structure from being sagged and polluted by the rainy water.
Description
Technical field
The present invention relates to a kind of metal drip line, protrude knot in particular for being arranged on metope and metope
The metal drip line on structure top.
Background technology
There is many metope projective structures, such as windowsill, balcony, decorative thread on skin
Bar etc..In order to prevent rainwater along metope projective structure sagging to metope and projective structure itself, meeting
At metope projective structure lower limb, drip is installed, but one can effectively not prevent metope
The drip that projective structure itself is contaminated by rainwater.But it is convex for those metopes played role in decoration
For going out structure, it is particularly significant and necessary for carry out resist sagging processing to it.In prior art,
Can use the olecranon drip that PVC material is made to prevent the sagging of metope projective structure itself, by
After olecranon drip is arranged on the top edge of metope projective structure, knot is protruded towards metope in olecranon portion
The alien invasion bending of structure, rainwater is easy for dropping on the alien invasion of metope projective structure, anti-stream
Hang poor effect；Further, the drip that PVC material is made there is also following shortcoming: (1) to light,
Heat and the less stable of oxygen, heat-resisting quantity is bad, works and easily become in the environment that temperature is higher
Shape；(2) not UV resistant foreigner, the easy foreigner of outdoor application；(3) shock resistance is poor, holds
Easily in use damage；(4) self-strength is the highest, easy torsional deformation, and the straight degree of lines is not
Good.
Summary of the invention
It is an object of the invention to provide one and be arranged on metope and metope projective structure top, prevent wall
Face and metope projective structure sagging pollute, it is possible to effectively prevent rainwater sagging to metope projective structure
Metal drip line on alien invasion.
For achieving the above object, the technical solution adopted in the present invention be one prevent metope and
The metal drip line that metope projective structure pollutes, including two pieces of angled attachment flaps opened, described
Open-angle α between two pieces of attachment flaps is 0 ° of ＜ α ＜ 180 °；Intersecting of described two pieces of attachment flaps
Connect on crest line and have overhanging extended along horizontal line direction, relative to crossing rib on described overhanging
The flow deflector that oriented overhanging lower section extends is connected on the edge of line；Described flow deflector with overhanging it
Between water conservancy diversion angle beta be α≤β ＜ 180 °；Described flow deflector and attachment flaps and the length phase of overhanging
Deng.
Preferably, described attachment flaps, overhanging and flow deflector are sheet metal strip one through being bent to form
Body structure.
Preferably, will the most a piece of be turned over downwards after described sheet metal strip level of relative is folded into two panels
Flow deflector is formed after 180 ° of big low-angles of-β；After another sheet is turned over downwards 180 ° of big low-angles of-α
Form one of attachment flaps；Described sheet metal strip residue lap forms another block and has bilayer
The attachment flaps of structure, has the part shape between double-deck attachment flaps and flow deflector described in connection
Become overhanging.
Preferably, described overhanging by being positioned at the turnover sheet above the crossing crest line of two pieces of attachment flaps
There is double-deck attachment flaps it is connected with described；Described overhanging at described crossing crest line upwards
Turn down 90 ° after turning down 90 ° still further below and form described turnover sheet.
Preferably: blind end is turned over downwards after being folded into two panels by described sheet metal strip level of relative
Formed after 180 ° of big low-angles of-β and there is double-deck flow deflector；Opening is opened α size
Attachment flaps is formed after angle；Connect the formation of the part between flow deflector and attachment flaps and there is double-decker
Overhanging.
Preferably, described overhanging connects with described attachment flaps by having double-deck turnover sheet
Connect；Will after two pieces of attachment flaps pressings being overlapped onto vertical position at the crossing crest line of two pieces of attachment flaps
After two pieces of attachment flaps open α angular dimension, the most overlapping part forms described turnover sheet.
Preferably, during described sheet metal strip is galvanizing steel band or aluminium alloy strips or titanium alloy strip
One；The inside crimping of lower limb of described flow deflector；The width of described two pieces of attachment flaps is
10～50mm, described overhanging is 5～50mm with the width of flow deflector；The height of described turnover sheet
It is 1～5mm；The thickness of described galvanizing steel band is 0.1～1mm；The thickness of titanium alloy strip is
The thickness of aluminium alloy strips described in 0.1～1mm is 0.1～1mm.
Preferably, described attachment flaps is provided with some spout holes；It is fixedly connected with in described attachment flaps
Grid cloth；Described spout hole is pressed line interlacing and is arranged idle discharge, near the crossing rib of described two pieces of attachment flaps
The aperture of the spout hole at line is less than the aperture of remaining row spout hole；Being shaped as of described spout hole is round
Shape or ellipse or rhombus or rectangle or parallelogram or waveform；The width of described grid cloth is
30～100mm.
Preferably, described water conservancy diversion angle beta is 90 °≤β≤165 °.
Preferably, described water conservancy diversion angle beta=135 °.
The method have the advantages that the angled attachment flaps opened can be good at and metope
Projective structure top edge mates；Spout hole and grid cloth can strengthen attachment flaps and protrude knot with metope
Adhesive force between structure；Additionally, spout hole can also alleviate the weight of metal drip line, after installation not
Easy to fall off.After metal drip line in the present invention is installed, its overhanging extends along horizontal line direction,
Thus can change the direction of rainwater flowing, enable rainwater to stand away from the outer of metope projective structure
Face, then drops into ground along flow deflector.Water conservancy diversion between described flow deflector and described overhanging
Angle beta is α≤β ＜ 180 ° so that flow deflector is between two extreme positions that sagging occurs
Region: be parallel to the position of metope metope projective structure alien invasion and the horizontal position coplanar with flow deflector
Put, thus the generation of sagging phenomenon stopped.Use hot-galvanized steel or aluminium alloy or titanium alloy material
The metal drip line made of material, high-strength light, non-corrosive, it is possible to increase metal drip line strength and
Rigidity, ageing resistace, weatherability and straightness.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of metal drip line in embodiment 1；
Fig. 2 is that in embodiment 1, metal drip line is illustrated for the mounting structure of metope projective structure
Figure；
Fig. 3 is that metal drip line is for the mounting structure schematic diagram preventing metope from polluting；
Fig. 4 is the cross sectional representation of metal drip line in embodiment 2；
Fig. 5 is the perspective view of metal drip line in embodiment 2；
Fig. 6 is the perspective view in embodiment 2 after metal drip line increase grid cloth；
Fig. 7 is the mounting structure signal of metal drip line in embodiment 2；
Fig. 8 is the cross sectional representation of metal drip line in embodiment 3；
Fig. 9 is the mounting structure signal of metal drip line in embodiment 3；
Figure 10 is the cross sectional representation of metal drip line in embodiment 4；
Figure 11 is the mounting structure signal of metal drip line in embodiment 4；
Figure 12 is the cross sectional representation of metal drip line in embodiment 5.
Detailed description of the invention
Embodiment 1
One is arranged on metope projective structure top, prevents metope and metope projective structure sagging from polluting
Metal drip line, including two pieces of angled attachment flaps opened, between described two pieces of attachment flaps
Open-angle α is 0 ° of ＜ α ＜ 180 °；Connect on the crossing crest line of described two pieces of attachment flaps and have along water
Overhanging of horizontal line direction extension, described overhanging has relative to connecting on the edge of crossing crest line
The flow deflector extended to overhanging lower section, the water conservancy diversion angle beta between described flow deflector and described overhanging
For α≤β ＜ 180 °；Described flow deflector is equal with the length of attachment flaps and overhanging.
In the present embodiment, open-angle α of metal drip line 1 is 90 °, and water conservancy diversion angle beta is 90 °, such as figure
Shown in 1, two pieces of attachment flaps 11,12 of metal drip line 1, overhanging 13 and flow deflector 14 are
The sheet metal strip integrative-structure through being bent to form；Described sheet metal strip level of relative will wherein after folding
One end is turned over downwards 90 ° of formation flow deflectors 14；It is one of attached that the other end is turned over downwards 90 ° of formation
Sheet 11；Described sheet metal strip residue lap forms another block and has double-deck attachment flaps
12, have described in connection outside the part between double-deck attachment flaps 12 and flow deflector 14 formed
Stretch sheet 13.The width of described two pieces of attachment flaps 11,12 is 10～50mm, described overhanging 13
It is 5～50mm with the width of flow deflector 14；The inside crimping of lower limb of described flow deflector, plays
Safety protection function, it is to avoid scratch staff.Described sheet metal strip is galvanizing steel band or aluminum alloy strip
One in material or titanium alloy strip, has high-strength light, rustless advantage, has good
Weather resistance, intensity is high, and straightness is high.The thickness of described galvanizing steel band is 0.1～1mm；Titanium
The thickness of alloy strip steel rolled stock is 0.1～1mm；The thickness of described aluminium alloy strips is 0.1～1mm.
The present embodiment for the mounting structure of metope projective structure as in figure 2 it is shown, the wall of body of wall 1a
On dignity layer 1b, the windowsill lines as metope projective structure 1c are installed, metal drip line is installed
When 1, first pass through cement sand bed 1e by bonding for two attachment flaps 11,12 of metal drip line 1
At the top edge of metope projective structure 1c, then outside cement sand bed 1e, metal drip line 1
Stretch spray finish screed 1f on sheet 13 and flow deflector 14；Finally, metal drip line 1 and wall
Face projective structure 1c visually forms an entirety, it is achieved that stealthy installation, and straightness is high,
The most attractive in appearance.
May be mounted at body of wall top during for preventing metope from polluting and can also be directly installed on windowsill
On, it is illustrated in figure 3 mounting structure schematic diagram when being arranged on body of wall top, metal drip line 1
Being arranged on body of wall top, metal drip line 1 overhangs body of wall top, it is possible to drained into far by rainwater
Fall away from metope, thus prevent metope by rainwater pollution.
Embodiment 2
In embodiment 1, owing to cement sand bed 1e has certain thickness, it is impossible to overhanging 13
In the same horizontal line, need to carry out levelling by facing mortar layer 1f, for the ease of construction and
Improve install after smooth aesthetics, with embodiment 1 except that: as shown in Figures 4 to 7,
Overhanging 24 of metal drip line 2 is by being positioned at the crossing crest line (two of two pieces of attachment flaps 21,22
Be crossing crest line at the folding line of block attachment flaps 21,22) top turnover sheet 23 have with described
Double-deck attachment flaps 22 connects；Described overhanging 24 flips up at described crossing crest line
Turn down still further below after 90 ° 90 ° formed described turnover sheets 23, the height of described turnover sheet 23 be 1～
5mm.As shown in figs. 4 and 5, described attachment flaps 21,22 is provided with some spout holes 111；?
When pasting metal drip line 1 by cement mortar, cement mortar can be from the spout hole 111 of attachment flaps
Overflow, make the inside and outside both sides of attachment flaps 21,22 all be covered by cement mortar so that attachment flaps
21,22 can embed in cement mortar, substantially increase the adhesive force of metal drip line 2, spout hole
111 weight that can also alleviate metal drip line 2, difficult drop-off after installation.Described attachment flaps 21,
Being fixedly connected with grid cloth 112 on 22, grid cloth 112 can strengthen the adhesive force of metal drip line 2.
The mounting structure of the present embodiment is as it is shown in fig. 7, first pass through cement sand bed 1e and dripped by metal
Two attachment flaps 21,22 of waterline 2 are bonded in the top edge of metope projective structure 1c, then at water
Spray finish screed on silt particle pulp layer 1e, overhanging 24 of metal drip line 2 and flow deflector 25
1f, owing to turnover sheet 23 makes overhanging 24, itself is higher than attachment flaps 22 so that cement sand bed
1e can flush with overhanging, thus carries out levelling without recycling facing mortar layer 1f.
Embodiment 3
With embodiment 2 except that: as shown in Fig. 8 to Fig. 9, the top of metope projective structure 1c
Obtuse angle, opening between the two panels attachment flaps 31 of metal drip line 3 is formed between face and alien invasion
Angle α is obtuse angle, water conservancy diversion angle beta between flow deflector 35 and overhanging 34 is optional take 90 °≤β≤
165 °, it is preferred that there is when tests prove that β=135 ° optimal water conservancy diversion effect.Noticeable
Be, no matter open-angle α is obtuse angle, right angle or acute angle, water conservancy diversion angle beta all can choose 90 °≤β≤
165 ° interior arbitrarily angled.
Embodiment 4
In the present embodiment, metal drip line 4 is with the difference of embodiment 3: such as Figure 10 and figure
Shown in 11, open-angle α of metal drip line 4 is acute angle, and described water conservancy diversion angle beta is equal to open-angle α.
Acute angle is formed, owing to water conservancy diversion angle beta is equal to opening between end face and the alien invasion of metope projective structure 1c
Angle of release α, flow deflector 45 is paralleled with the alien invasion on metope projective structure 1c top so that rainwater
Curved can fall after departing from flow deflector 45, thus get around metope projective structure 1c alien invasion,
Avoid vertically dropping on the alien invasion of metope projective structure 1c.Certainly for obtaining more preferable anti-stream
Hang effect, the width of overhanging 44 can be extended or increase water conservancy diversion angle beta.
Embodiment 5
As shown in figure 12, in the present embodiment, metal drip line 5 is similarly sheet metal strip through being bent to form
Integrative-structure: blind end is turned over downwards after being folded into two panels by described sheet metal strip level of relative
Formed after 180 ° of big low-angles of-β and there is double-deck flow deflector 54；Opening is opened α big
Forming two pieces of attachment flaps 51,51 after low-angle, in the present embodiment, open-angle α is 90 °, water conservancy diversion
Angle beta is 165 °, connects the formation of the part between flow deflector 54 and two pieces of attachment flaps 51,51 and has
Double-deck overhanging 53.Described overhanging 53 by have double-deck turnover sheet 52 with
Two pieces of attachment flaps 51,51 connect；At the crossing crest line of two pieces of attachment flaps 51,51 attached by two pieces
And two pieces of attachment flaps 51,51 are opened α angular dimension, i.e. after sheet pressing overlaps onto vertical position
After 90 °, the most overlapping part forms turnover sheet 52.
In the present embodiment, two pieces of attachment flaps 51,51 are single layer structure, and very thin thickness, after installation
The most smooth attractive in appearance, there is the most stealthy effect.Flow deflector 54 is bilayer with overhanging 53
Structure, substantially increases intensity and weather resistance, it is possible to preferably opposing is exposed to the weather.
Claims (10)
1. one kind prevents the metal drip line that metope and metope projective structure pollute, it is characterised in that:
Including two pieces of angled attachment flaps opened, open-angle α between described two pieces of attachment flaps is 0 °
＜ α ＜ 180 °；Connect on the crossing crest line of described two pieces of attachment flaps and have along the extension of horizontal line direction
Overhanging, described overhanging is prolonged relative to connecting oriented overhanging lower section on the edge of crossing crest line
The flow deflector stretched；Water conservancy diversion angle beta between described flow deflector and overhanging is α≤β ＜ 180 °；Institute
State flow deflector equal with the length of attachment flaps and overhanging.
The metal preventing metope and metope projective structure from polluting the most according to claim 1 drips
Waterline, it is characterised in that: described attachment flaps, overhanging and flow deflector are that sheet metal strip is through bent
The integrative-structure become.
The metal preventing metope and metope projective structure from polluting the most according to claim 2 drips
Waterline, it is characterised in that: described sheet metal strip level of relative be folded into after two panels will the most a piece of to
Flow deflector is formed after 180 ° of big low-angles of-β of lower turnover；Another sheet is turned over downwards 180 ° of-α sizes
One of attachment flaps is formed after angle；Described sheet metal strip residue lap forms another block tool
There is double-deck attachment flaps, have between double-deck attachment flaps and flow deflector described in connection
Part forms overhanging.
The metal preventing metope and metope projective structure from polluting the most according to claim 3 drips
Waterline, it is characterised in that: described overhanging by being positioned at above the crossing crest line of two pieces of attachment flaps
Turnover sheet has double-deck attachment flaps be connected with described；Described overhanging at described crossing crest line
Place turns down 90 ° still further below and forms described turnover sheet after flipping up 90 °.
The metal preventing metope and metope projective structure from polluting the most according to claim 2 drips
Waterline, it is characterised in that: described sheet metal strip level of relative is downward by blind end after being folded into two panels
Formed after turning down 180 ° of big low-angles of-β and there is double-deck flow deflector；Opening is opened α
Attachment flaps is formed after big low-angle；Connect the formation of the part between flow deflector and attachment flaps and there is bilayer
Overhanging of structure.
The metal preventing metope and metope projective structure from polluting the most according to claim 5 drips
Waterline, it is characterised in that: described overhanging by having double-deck turnover sheet and described attachment
Sheet connects；At the crossing crest line of two pieces of attachment flaps, two pieces of attachment flaps pressings are overlapped onto vertical position
After two pieces of attachment flaps are opened α angular dimension after, vertically overlapping part forms described turnover sheet.
7. according to preventing, described in claim 3 or 5, the metal that metope and metope projective structure pollute
Drip, it is characterised in that: described sheet metal strip is galvanizing steel band or aluminium alloy strips or titanium closes
One in gold ribbon material；The inside crimping of lower limb of described flow deflector；The width of described two pieces of attachment flaps
Degree is 10～50mm, and described overhanging is 5～50mm with the width of flow deflector；Described turnover
The height of sheet is 1～5mm；The thickness of described galvanizing steel band is 0.1～1mm；Titanium alloy strip
Thickness be the thickness of aluminium alloy strips described in 0.1～1mm be 0.1～1mm.
The metal preventing metope and metope projective structure from polluting the most according to claim 7 drips
Waterline, it is characterised in that: described attachment flaps is provided with some spout holes；Fix in described attachment flaps
Connect and have grid cloth；Described spout hole is pressed line interlacing and is arranged idle discharge, near described two pieces of attachment flaps
The aperture intersecting the spout hole at crest line is less than the aperture of remaining row spout hole；The shape of described spout hole
Shape is circular or ellipse or rhombus or rectangle or parallelogram or waveform；Described grid cloth
Width is 30～100mm.
9. pollute according to prevent metope and the metope projective structure described in claim 1 or 2 or 5
Metal drip line, it is characterised in that: described water conservancy diversion angle beta is 90 °≤β≤165 °.
The metal preventing metope and metope projective structure from polluting the most according to claim 9 drips
Waterline, it is characterised in that: described water conservancy diversion angle beta=135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546873.1A CN106013631A (en) | 2016-07-13 | 2016-07-13 | Metal water dripping line for preventing pollution of wall and wall bulging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546873.1A CN106013631A (en) | 2016-07-13 | 2016-07-13 | Metal water dripping line for preventing pollution of wall and wall bulging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106013631A true CN106013631A (en) | 2016-10-12 |
Family
ID=57108720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610546873.1A Pending CN106013631A (en) | 2016-07-13 | 2016-07-13 | Metal water dripping line for preventing pollution of wall and wall bulging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106013631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184152A (en) * | 2018-08-23 | 2019-01-11 | 中建四局第六建筑工程有限公司 | A kind of environment protection type dropping waterline item and preparation method |
| CN111287392A (en) * | 2020-02-19 | 2020-06-16 | 河北建工集团有限责任公司 | Manufacturing and mounting method of adhesive drip for indoor stairs |
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|---|---|---|---|---|
| JP2007046354A (en) * | 2005-08-10 | 2007-02-22 | Kouwa:Kk | Throating member |
| CN201221165Y (en) * | 2008-06-23 | 2009-04-15 | 于克勤 | Water dripping line |
| CN101469592A (en) * | 2007-12-24 | 2009-07-01 | 马海平 | Outdoor windowsill, cornice and platform draining-board |
| TWM471480U (en) * | 2013-08-26 | 2014-02-01 | Wu-Xiong Xu | Tenon-type dripping bar device |
| CN205935445U (en) * | 2016-07-13 | 2017-02-08 | 重庆格上建材有限公司 | Prevent metal drip line of wall and wall protrusion structure pollution |
-
2016
- 2016-07-13 CN CN201610546873.1A patent/CN106013631A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007046354A (en) * | 2005-08-10 | 2007-02-22 | Kouwa:Kk | Throating member |
| CN101469592A (en) * | 2007-12-24 | 2009-07-01 | 马海平 | Outdoor windowsill, cornice and platform draining-board |
| CN201221165Y (en) * | 2008-06-23 | 2009-04-15 | 于克勤 | Water dripping line |
| TWM471480U (en) * | 2013-08-26 | 2014-02-01 | Wu-Xiong Xu | Tenon-type dripping bar device |
| CN205935445U (en) * | 2016-07-13 | 2017-02-08 | 重庆格上建材有限公司 | Prevent metal drip line of wall and wall protrusion structure pollution |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109184152A (en) * | 2018-08-23 | 2019-01-11 | 中建四局第六建筑工程有限公司 | A kind of environment protection type dropping waterline item and preparation method |
| CN111287392A (en) * | 2020-02-19 | 2020-06-16 | 河北建工集团有限责任公司 | Manufacturing and mounting method of adhesive drip for indoor stairs |
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Application publication date: 20161012 |
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