CN107674447A - A kind of transparent binder of paving and preparation method thereof - Google Patents
A kind of transparent binder of paving and preparation method thereof Download PDFInfo
- Publication number
- CN107674447A CN107674447A CN201710961602.7A CN201710961602A CN107674447A CN 107674447 A CN107674447 A CN 107674447A CN 201710961602 A CN201710961602 A CN 201710961602A CN 107674447 A CN107674447 A CN 107674447A
- Authority
- CN
- China
- Prior art keywords
- transparent
- paving
- resin
- sbs
- base oil
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/02—Compositions of unspecified macromolecular compounds characterised by the presence of specified groups, e.g. terminal or pendant functional groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Road Paving Structures (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses transparent binder of a kind of paving and preparation method thereof, the transparent binder includes transparent base oil, resin, SBS and PE, the transparent binder is prepared by weight percentage, the volume of transparent base oil is the 25.0%~45.0% of total volume, resin volume is the 45.0%~65.0% of total volume, SBS volumes are that 5.0%~15.0%, the PE volumes of total volume are the 0.2%~2.5% of total volume.The base oil and resin that the transparent binder of paving in the present invention uses are Transparent color, SBS and PE is white, pass through certain proportioning again, so as to obtain transparent paving material, the transparent binder of paving of the present invention is applied to the original color of the pavement materials such as building stones can be presented completely in paving, the landscape design that road pavement is mated formation plays an important role, and the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
Description
Technical field
The present invention relates to highway construction field of material technology, the transparent binder of espespecially a kind of paving and its preparation side
Method.
Background technology
In recent years, as China BRT, pavement, park and the construction upsurge at scenic spot, Colorful Asphalt Pavement technology and colour drip
Blue or green pavement construction is in the period of a high speed development.Colorful Asphalt Pavement technology is mainly added using decolouring pitch or color asphalt
Add pigment (red, yellow, blue etc.) mix paving mix.
For from pavement construction total tune and material source, black asphalt pavement will be China's road construction
Principal mode, and Colorful Asphalt Pavement also has certain application market under particular circumstances.For the angle to get close to nature,
Pavement of road can show that the original color of pavement material (building stones etc.) and state etc. can more make road thawing cylinders；From design
For angle, the vestige of black and colored designs is excessively obvious, is mated formation using transparent binder and can hide design and nature
Among；For the angle of color, mated formation using transparent binder and various colors and state is more readily formed, and be not in
Black and the colored road surface discoloration that road surface occurs after prolonged.But in existing paving material
There is no a transparent material, existing black and colored ground surface material can not achievement unit branch face landscape design.
Therefore, the applicant is directed to providing transparent binder of a kind of paving and preparation method thereof.
The content of the invention
It is an object of the invention to provide transparent binder of a kind of paving and preparation method thereof, it can enable road surface
Pavement material original color and state are enough shown, makes road preferably assimilated into nature, makes pavement of road design preferably hidden
It is hidden among nature, while the transparent binder preparation cost of the paving is relatively low, economic and profitable, excellent performance, it is durable
Property it is good, maintenance is convenient.
Technical scheme provided by the invention is as follows：
A kind of transparent binder of paving, including transparent base oil, resin, SBS (polystyrene-
Polybutadiene-polystyrene or styrene-butadiene triblock copolymer, styrene-butadiene
Block copolymer) and PE (polyethylene, polyethylene), by weight percentage, the volume of the transparent base oil is total
The 25.0%~45.0% of volume, the volume of the resin are the 45.0%~65.0% of total volume, and the volume of the SBS is total
The 5.0%~15.0% of volume, the volume of the PE are the 0.2%~2.5% of total volume.
Preferably, the transparent base oil is naphthenic oil.
Preferably, the resin is the combination of hydrogenation resin or hydrogenation resin and non-hydrogenation resin.
Preferably, the SBS is star-shaped sbs or type SBS.
Preferably, the PE is LDPE (Low Density Polyethylene, low density polyethylene (LDPE)) or LLDPE (lines
Type low density polyethylene (LDPE)).
A kind of preparation method of the transparent binder of the paving, including step：
S10：Transparent base oil, resin, SBS and PE are weighed respectively according to above-mentioned volume scope；
S20：The transparent base oil is heated to 120~145 DEG C；
S30：The resin is added in the transparent base oil, persistently stirs and heats, make temperature rise to 140~
160℃；
S40：After the resin melts completely in the transparent base oil, the SBS is added, adds the PE；
S50：Product in heating stepses S40, its temperature is risen to 165~175 DEG C, persistently stir 20~30min；
S60：Product in step S50 is placed in 165~175 DEG C of baking oven and is incubated, stands 20~30min of development, most
The transparent binder of paving is made eventually.
Base oil, the resin that the transparent binder of a kind of paving provided by the invention uses are Transparent color, use
SBS and PE are white, so as to be made transparent paving material, the transparent binder be applied in paving can be in completely
The original color of pavement material, the landscape designs that road pavement is mated formation such as existing building stones play an important role, and the transparent performance of mixture
Excellent, economic benefit and environmental benefit are good, and its preparation method is simple to operate, and cost is relatively low.
Brief description of the drawings
Below by a manner of clearly understandable, preferred embodiment is described with reference to the drawings, above-mentioned characteristic, skill to the present invention
Art feature, advantage and its implementation are further described.
Fig. 1 is a kind of flow signal of specific embodiment of the preparation method of the transparent binder of paving of the present invention
Figure.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, control is illustrated below
The embodiment of the present invention.It should be evident that drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, and obtain other embodiments.To make simplified form, only schematically show and phase of the present invention in each figure
The part of pass, they do not represent its practical structures as product.
Embodiment one
This specific embodiment discloses a kind of transparent binder of paving, by following components and the raw material of percentage by weight
It is prepared：The volume of transparent base oil is the 25.0% of total volume, and the volume of resin is mixing for 57.5%, SBS of total volume
The volume measured as 15.0%, PE of total volume is the 2.5% of total volume.In this specific embodiment, transparent base oil is specifically adopted
With naphthenic oil, resin specifically uses hydrogenation resin, and SBS specifically uses star-shaped sbs, and PE specifically uses LDPE.
The preparation method of the transparent binder of paving in the present embodiment, including step：
S10：Naphthenic oil, hydrogenation resin, star-shaped sbs and LDPE are weighed respectively according to the requirement of above-mentioned percentage by weight；
S20：Transparent base oil is heated to 120 DEG C；
S30：Resin is added in naphthenic oil, persistently stirs and heats, temperature is risen to 140 DEG C；
S40：After resin melts completely in transparent base oil, SBS is added, adds PE；
S50：Product in heating stepses S40, its temperature is risen to 165 DEG C, persistently stir 30min；
S60：Product in step S50 is placed in 165 DEG C of baking oven and is incubated, development 30min is stood, road surface is finally made
Mat formation transparent binder.
Transparent binder made from this specific embodiment is detected using water transparency method of testing, and its transparency is more than 2
Rice.The transparent binder is applied to the original color of the pavement materials such as building stones can be presented completely in paving, and road pavement is mated formation
Landscape design play an important role, the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
Embodiment two
This specific embodiment discloses a kind of transparent binder of paving, by following components and the raw material of percentage by weight
It is prepared：The volume of transparent base oil is the 40.0% of total volume, and the volume of resin is mixing for 54.0%, SBS of total volume
The volume measured as 5.0%, PE of total volume is the 1.0% of total volume.In this specific embodiment, transparent base oil specifically uses
Naphthenic oil, resin specifically use hydrogenation resin, and SBS specifically uses star-shaped sbs, and PE specifically uses LLDPE.
The preparation method of the transparent binder of paving in the present embodiment, including step：
S10：Naphthenic oil, hydrogenation resin, star-shaped sbs and LDPE are weighed respectively according to the requirement of above-mentioned percentage by weight；
S20：Transparent base oil is heated to 125 DEG C；
S30：Resin is added in naphthenic oil, persistently stirs and heats, temperature is risen to 145 DEG C；
S40：After resin melts completely in transparent base oil, SBS is added, adds PE；
S50：Product in heating stepses S40, its temperature is risen to 167 DEG C, persistently stir 28min；
S60：Product in step S50 is placed in 167 DEG C of baking oven and is incubated, development 28min is stood, road surface is finally made
Mat formation transparent binder.
Transparent binder made from this specific embodiment is detected using water transparency method of testing, and its transparency is more than 2
Rice.The transparent binder is applied to the original color of the pavement materials such as building stones can be presented completely in paving, and road pavement is mated formation
Landscape design play an important role, the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
Embodiment three
This specific embodiment discloses a kind of transparent binder of paving, by following components and the raw material of percentage by weight
It is prepared：The volume of transparent base oil is the 45.0% of total volume, and the volume of resin is mixing for 45.0%, SBS of total volume
The volume measured as 9.8%, PE of total volume is the 0.2% of total volume.In this specific embodiment, transparent base oil specifically uses
Naphthenic oil, resin specifically specifically use type SBS using the combination of hydrogenation resin and non-hydrogenation resin, SBS, and PE is specifically used
LLDPE。
The preparation method of the transparent binder of paving in the present embodiment, including step：
S10：According to the requirement of above-mentioned percentage by weight weigh respectively naphthenic oil, hydrogenation resin and non-hydrogenation resin combination,
Type SBS and LLDPE；
S20：Transparent base oil is heated to 130 DEG C；
S30：Resin is added in naphthenic oil, persistently stirs and heats, temperature is risen to 150 DEG C；
S40：After resin melts completely in transparent base oil, SBS is added, adds PE；
S50：Product in heating stepses S40, its temperature is risen to 169 DEG C, persistently stir 26min；
S60：Product in step S50 is placed in 169 DEG C of baking oven and is incubated, development 26min is stood, road surface is finally made
Mat formation transparent binder.
Transparent binder made from this specific embodiment is detected using water transparency method of testing, and its transparency is more than 2
Rice.The transparent binder is applied to the original color of the pavement materials such as building stones can be presented completely in paving, and road pavement is mated formation
Landscape design play an important role, the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
Example IV
This specific embodiment discloses a kind of transparent binder of paving, by following components and the raw material of percentage by weight
It is prepared：The volume of transparent base oil is the 27.0% of total volume, and the volume of resin is mixing for 65.0%, SBS of total volume
The volume measured as 6.5%, PE of total volume is the 1.5% of total volume.In this specific embodiment, transparent base oil specifically uses
Naphthenic oil, resin specifically use hydrogenation resin, and SBS specifically uses type SBS, and PE specifically uses LDPE.
The preparation method of the transparent binder of paving in the present embodiment, including step：
S10：Naphthenic oil, hydrogenation resin, type SBS and LDPE are weighed respectively according to the requirement of above-mentioned percentage by weight；
S20：Transparent base oil is heated to 135 DEG C；
S30：Resin is added in naphthenic oil, persistently stirs and heats, temperature is risen to 155 DEG C；
S40：After resin melts completely in transparent base oil, SBS is added, adds PE；
S50：Product in heating stepses S40, its temperature is risen to 171 DEG C, persistently stir 24min；
S60：Product in step S50 is placed in 171 DEG C of baking oven and is incubated, development 24min is stood, road surface is finally made
Mat formation transparent binder.
Transparent binder made from this specific embodiment is detected using water transparency method of testing, and its transparency is more than 2
Rice.The transparent binder is applied to the original color of the pavement materials such as building stones can be presented completely in paving, and road pavement is mated formation
Landscape design play an important role, the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
Embodiment five
This specific embodiment discloses a kind of transparent binder of paving, by following components and the raw material of percentage by weight
It is prepared：The volume of transparent base oil is the 35.0% of total volume, and the volume of resin is mixing for 50.0%, SBS of total volume
The volume measured as 13.0%, PE of total volume is the 2.0% of total volume.In this specific embodiment, transparent base oil is specifically adopted
With naphthenic oil, resin specifically uses hydrogenation resin, and SBS specifically uses star-shaped sbs, and PE specifically uses LLDPE.
The preparation method of the transparent binder of paving in the present embodiment, including step：
S10：Naphthenic oil, hydrogenation resin, star-shaped sbs and LLDPE are weighed respectively according to the requirement of above-mentioned percentage by weight；
S20：Transparent base oil is heated to 145 DEG C；
S30：Resin is added in naphthenic oil, persistently stirs and heats, temperature is risen to 160 DEG C；
S40：After resin melts completely in transparent base oil, SBS is added, adds PE；
S50：Product in heating stepses S40, its temperature is risen to 175 DEG C, persistently stir 20min；
S60：Product in step S50 is placed in 175 DEG C of baking oven and is incubated, development 20min is stood, road surface is finally made
Mat formation transparent binder.
Transparent binder made from this specific embodiment is detected using water transparency method of testing, and its transparency is more than 2
Rice.The transparent binder is applied to the original color of the pavement materials such as building stones can be presented completely in paving, and road pavement is mated formation
Landscape design play an important role, the transparent performance of mixture is excellent, and economic benefit and environmental benefit are good.
It should be noted that above-described embodiment can independent assortment as needed.Described above is only the preferred of the present invention
Embodiment, it is noted that for those skilled in the art, do not departing from the premise of the principle of the invention
Under, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
- A kind of 1. transparent binder of paving, it is characterised in that：Including transparent base oil, resin, SBS and PE, by weight percentage, the volume of the transparent base oil is total volume 25.0%~45.0%, the volume of the resin is the 45.0%~65.0% of total volume, and the volume of the SBS is total volume 5.0%~15.0%, the PE volume are the 0.2%~2.5% of total volume.
- 2. the transparent binder of paving as claimed in claim 1, it is characterised in that：The transparent base oil is naphthenic oil.
- 3. the transparent binder of paving as claimed in claim 1, it is characterised in that：The resin is the mixing of hydrogenation resin or hydrogenation resin and non-hydrogenation resin.
- 4. the transparent binder of paving as claimed in claim 1, it is characterised in that：The SBS is star-shaped sbs or type SBS.
- 5. the transparent binder of paving as claimed in claim 1, it is characterised in that：The PE is LDPE or LLDPE.
- A kind of 6. preparation method of the transparent binder of the paving as any one of claim 1 to 5, it is characterised in that Including step：S10：Transparent base oil, resin, SBS and PE are weighed respectively according to the volume scope described in claim 1；S20：The transparent base oil is heated to 120~145 DEG C；S30：The resin is added in the transparent base oil, persistently stirs and heats, temperature is risen to 140~160 DEG C；S40：After the resin melts completely in the transparent base oil, the SBS is added, adds the PE；S50：Product in heating stepses S40, its temperature is risen to 165~175 DEG C, persistently stir 20~30min；S60：Product in step S50 is placed in 165~175 DEG C of baking oven and is incubated, stands 20~30min of development, final system Obtain the transparent binder of paving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961602.7A CN107674447A (en) | 2017-10-17 | 2017-10-17 | A kind of transparent binder of paving and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710961602.7A CN107674447A (en) | 2017-10-17 | 2017-10-17 | A kind of transparent binder of paving and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107674447A true CN107674447A (en) | 2018-02-09 |
Family
ID=61140724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710961602.7A Pending CN107674447A (en) | 2017-10-17 | 2017-10-17 | A kind of transparent binder of paving and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107674447A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108559227A (en) * | 2018-05-08 | 2018-09-21 | 上海浦兴路桥建设工程有限公司 | A kind of transparent binder of cold mixing and preparation method thereof |
| CN108625246A (en) * | 2018-05-07 | 2018-10-09 | 上海浦兴路桥建设工程有限公司 | A kind of complete thick formula flexibility shines road surface and preparation method thereof |
| CN108641379A (en) * | 2018-05-08 | 2018-10-12 | 上海浦兴路桥建设工程有限公司 | It is a kind of to emulsify transparent binder and preparation method thereof |
| CN109825024A (en) * | 2019-01-10 | 2019-05-31 | 河南普绿环保科技有限公司 | A kind of preparation method of road scavenging material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478843A (en) * | 2003-07-04 | 2004-03-03 | 华南理工大学 | Light colour cementitous material for road and its preparation method |
| CN104058631A (en) * | 2014-06-04 | 2014-09-24 | 吴江市明港道桥工程有限公司 | Colorless cementing material and preparation method thereof |
-
2017
- 2017-10-17 CN CN201710961602.7A patent/CN107674447A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478843A (en) * | 2003-07-04 | 2004-03-03 | 华南理工大学 | Light colour cementitous material for road and its preparation method |
| CN104058631A (en) * | 2014-06-04 | 2014-09-24 | 吴江市明港道桥工程有限公司 | Colorless cementing material and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 汪多仁: "《现代高分子材料生产及应用手册》", 31 May 2002, 中国石化出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625246A (en) * | 2018-05-07 | 2018-10-09 | 上海浦兴路桥建设工程有限公司 | A kind of complete thick formula flexibility shines road surface and preparation method thereof |
| CN108559227A (en) * | 2018-05-08 | 2018-09-21 | 上海浦兴路桥建设工程有限公司 | A kind of transparent binder of cold mixing and preparation method thereof |
| CN108641379A (en) * | 2018-05-08 | 2018-10-12 | 上海浦兴路桥建设工程有限公司 | It is a kind of to emulsify transparent binder and preparation method thereof |
| CN109825024A (en) * | 2019-01-10 | 2019-05-31 | 河南普绿环保科技有限公司 | A kind of preparation method of road scavenging material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107674447A (en) | A kind of transparent binder of paving and preparation method thereof | |
| CN105906233B (en) | A kind of high-performance color pervious asphalt concrete and preparation method thereof | |
| CN106431125B (en) | A kind of cold mixing type chromatic bitumen mixture and preparation method | |
| CN105542496B (en) | Uncured rubber-asphalt waterproof material and preparation method thereof | |
| CN101928465B (en) | Color asphalt binder capable of being directly applied and preparation method thereof | |
| CN104058638B (en) | A kind of asphalt | |
| CN107759141A (en) | Color asphalt concrete and preparation method thereof | |
| CN101607798A (en) | A kind of light color cementing material and preparation method thereof | |
| CN108947329A (en) | A kind of chromatic bitumen mixture and preparation method thereof | |
| CN103013146A (en) | Asphalt mixture used for colored asphalt road surface normal temperature patching, and preparation method thereof | |
| CN104986992A (en) | Asphalt mixture pavement | |
| CN108483999A (en) | A kind of colorful water-permeable pavement asphalt mixture and its preparation and application | |
| CN104058631B (en) | A kind of colourless cementitious matter and preparation method thereof | |
| CN108102490A (en) | A kind of aqueous thick slurry gage mark coating and preparation method thereof | |
| JPH11130965A (en) | Synthetic asphalt | |
| CN105219327B (en) | A kind of cementing material for colored road surface and preparation method thereof | |
| CN104059367A (en) | SBS (styrene-butadiene-styrene)-modified colorless cementing material and preparation method thereof | |
| CN105884265A (en) | Asphalt mixture pavement | |
| CN100369996C (en) | Colored road surface spray coating material and production method thereof | |
| CN206635596U (en) | A kind of Rubber-Asphalt Pavement structure | |
| CN110042718A (en) | A kind of anti-shearing machine spreading super-thin pavement technique of colour | |
| CN104017379A (en) | Modified asphalt and preparation method thereof | |
| CN108219491A (en) | Colorful Asphalt Pavement | |
| CN110981286B (en) | Upper asphalt mixture of colored permeable pavement and preparation method thereof | |
| CN108250777A (en) | A kind of color asphalt and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Room 1401, 8 Yincheng Middle Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant after: Shanghai Pudong Road & Bridge (Group) Co.,Ltd. Address before: Room 1401, 8 Yincheng Middle Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 200120 Applicant before: SHANGHAI PUXING LUQIAO CONSTRUCTION ENGINERING Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |