CN108608525A - A kind of laminated bamboo-wood composite lumber manufacturing method - Google Patents
A kind of laminated bamboo-wood composite lumber manufacturing method Download PDFInfo
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- CN108608525A CN108608525A CN201810491473.4A CN201810491473A CN108608525A CN 108608525 A CN108608525 A CN 108608525A CN 201810491473 A CN201810491473 A CN 201810491473A CN 108608525 A CN108608525 A CN 108608525A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
- B27J1/02—Braiding, e.g. basket-making
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27L—REMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
- B27L7/00—Arrangements for splitting wood
- B27L7/06—Arrangements for splitting wood using wedges, knives or spreaders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
Abstract
The invention discloses a kind of laminated bamboo-wood composite lumber manufacturing methods, comprise the following steps that：1) 1. raw bamboo is split into 2~4 by bamboo Shu Jiagong using 3~5 years setation bamboos, cizu or other raw bamboos as raw material by broken bamboo machine for raw material preparation；The good bamboo chip of subdivision is rolled into bamboo beam using bamboo silk processing machine, is connected with each other and does not depart between bamboo beam, bamboo beam width is not less than 5cm；2. wood single-plate processing uses the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, 1~5mm of veneer thickness；2) dry carbonization；3) bamboo beam weaves；4) impregnation；5) dry；6) assembly；7) precompressed：Slab is subjected to precompressed, reduces slab thickness, shortens pressing cycle；8) hot pressing：Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber；9) it displays：Laminated bamboo-wood composite lumber after hot pressing is displayed, and plank temperature is reduced, and discharges internal stress.
Description
Technical field
The invention belongs to bamboo and wood processing technique fields, and in particular to a kind of laminated bamboo-wood composite lumber manufacturing method.
Background technology
Recombined bamboo is a kind of product given priority in current bamboo processing industry.In the fabrication process, mainly with bamboo
Beam is Component units, by rift grain assembly, through hot pressing or cold pressing glue synthetic plate or square bar.Its outstanding advantages are that raw material utilize
Rate is high, revolutionizes original performance of bamboo wood, excellent in mechanical performance.Product can be widely applied to indoor and outdoor floor, furniture, build
Building structure material and construction decoration material and all kinds of high-strength material demands field.
However, Recombined bamboo production mainly carries out plate blank paving by artificial assemble pattern, it be easy to cause and mats formation uneven, lead
Cause panel density uneven, occur jumping silk, cracking and the problems such as, unstable product quality；Meanwhile bamboo silk impregnation, drying, slab paving
Dress and the mechanization degree of the processes such as plank hot pressing be not high, need to put into a large amount of human resources, increase material manufacture at
This, causes product to lack the market competitiveness.
In laminated bamboo-wood composite lumber related field, has part of the patent application both at home and abroad.A kind of wherein " compound recombination of bamboo and wood
Bamboo board manufacturing method " (number of patent application 201010124110.0) discloses a kind of heavy with bamboo silk and the processing of poplar colored single palte
The method of group material., using bamboo wood as primary raw material, the poplar used is less for it.Its processing technology and common Recombined bamboo are essentially identical.
Patent " a kind of bamboo and wood new composite structural wood " (number of patent application 200520081053.7) uses surface layer, middle level and bottom for bamboo
Material, interlayer are the new structure of wooden laminated timber, and material is made to form symmetrical equilibrium structure." recombined bamboo-gluing board manufactures patent
Method " (number of patent application 02120518.3) points out that the manufacture of Recombined bamboo includes mainly to block, roll processing, drying, impregnation, do
Dry, assembly and hot pressing process.
But existing laminated bamboo-wood composite lumber processing method there are processing efficiencies low, laminated bamboo-wood composite lumber band direction
The shortcomings of intensity is insufficient.
Invention content
In view of the problems of the existing technology, it is an object of the invention to design to provide a kind of laminated bamboo-wood composite lumber manufacture
The technical solution of method.This method is processed compared to traditional Recombined bamboo manufacturing method on raw material disposal, assembly, hot pressing process
It is more efficient, make the simplified manufacturing process of material, improve mechanization degree, makes Recombined bamboo improving productivity.
To achieve the above object, the present invention is implemented by the following technical solutions：
A kind of laminated bamboo-wood composite lumber manufacturing method, comprises the following steps that：
1) raw material prepare
1. bamboo Shu Jiagong
Using 3~5 years setation bamboos, cizu or other raw bamboos as raw material, raw bamboo is split into 2~4 by broken bamboo machine；It utilizes
The good bamboo chip of subdivision is rolled into bamboo beam by bamboo silk processing machine, is connected with each other and is not departed between bamboo beam, bamboo beam width is not less than 5cm；
2. wood single-plate is processed
Use the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, 1~5mm of veneer thickness；
2) dry carbonization
Bamboo beam and wood single-plate are put into the dry machine of dried disinfecting carbon, the temperature of the dry machine heating of dried disinfecting carbon is 160-190
DEG C, 2-4 hours heating times, bamboo clappers carbonization, carbonizing degree is 5%-30%；
3) bamboo beam weaves
Bamboo beam is processed into the bamboo beam veneer of large format, feed speed 3-8m/ during braiding by way of braiding
Min, litzendraht wire interval 20-40cm；
4) impregnation
By bamboo beam veneer and wood single-plate in the synvaren that solid content is 30~50% dipping 10~
20min makes the dry rate of body weight gain of material reach 5~15%；
5) dry
Raw material drains after impregnating resin, under the conditions of 60~90 DEG C of temperature, it is dry to moisture content be 8~12%；
6) assembly
Bamboo beam veneer and wood single-plate are laminated assembly, wherein slab top and bottom are wood single-plate, from upper inside slab
It is alternately combined by wood single-plate and 1~4 layer of bamboo beam veneer under and, the wood single-plate is along fiber with bamboo beam veneer
Direction arranges or the structural unit of one layer of wood single-plate and 1~4 layer of bamboo beam veneer composition is all suitable machine direction arrangement, and phase
It is arranged for vertical texture direction between adjacent two units；
7) precompressed
Slab is subjected to precompressed, reduces slab thickness, shortens pressing cycle；
8) hot pressing
Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber；
9) it displays
Laminated bamboo-wood composite lumber after hot pressing is displayed, and plank temperature is reduced, and discharges internal stress.
Preferably, the phenolic aldehyde tree for being 35~45% in solid content by bamboo beam veneer and wood single-plate in the step 4)
12~18min is impregnated in fat adhesive, and the dry rate of body weight gain of material is made to reach 8~12%.
It is dry under the conditions of 70~80 DEG C of temperature preferably, raw material drains after impregnating resin in the step 5)
It is 9~10% to moisture content.
Preferably, prefabricating condition is in the step 7)：Under the conditions of 1.0~3.0MPa of unit pressure, cold pressing treatment
15~30min.
Preferably, hot pressing condition is in the step 8)：3.0~5.0MPa of unit pressure, hot pressing temperature 130~
160 DEG C, 1~2min/mm of hot pressing time.
Preferably, the condition of displaying is in the step 9)：Plank after hot pressing unloads postcooling from press and displays
48h or more.
The beneficial effects of the invention are as follows：
The present invention can be manufactured compared to traditional technique for being manufactured Recombined bamboo using press moulding mode, the present invention in bamboo beam veneer
Upper realization mechanization is mated formation on plate blank paving with glued board similar, and it is more simple to compare Recombined bamboo plate blank paving, has higher
Production efficiency.Meanwhile traditional Recombined bamboo product, due to its fiber direction all same, longitudinal strength is obviously high
In transverse strength.And use bamboo-wood composite material produced by the present invention in machine direction using bamboo beam veneer and wood single-plate pair
Assembly form is claimed to carry out, therefore material transverse direction and longitudinal direction strength difference reduces, transverse strength will be significantly improved.
Specific implementation mode
Embodiments of the present invention are further described with reference to embodiment, but are not limitation of the invention.
Embodiment 1：A kind of laminated bamboo-wood composite lumber manufacturing method
1) raw material prepare
1. bamboo Shu Jiagong
Using 3~5 years setation bamboos, cizu as raw material, raw bamboo is split into 2~4 by broken bamboo machine；Utilize bamboo silk processing machine
The good bamboo chip of subdivision is rolled into bamboo beam, is connected with each other and does not depart between bamboo beam, bamboo beam width is 5cm；
2. timber is processed
Use the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, veneer thickness 3.0mm；
2) dry carbonization
Bamboo beam and wood single-plate are put into the dry machine of dried disinfecting carbon, the temperature of the dry machine heating of dried disinfecting carbon is 160 DEG C, is added
Hot time 2 h, bamboo clappers carbonization, carbonizing degree 5%；
3) bamboo beam weaves
Bamboo beam is processed into the bamboo beam veneer of large format, feed speed 4m/min, litzendraht wire interval by way of braiding
20cm；
4) impregnation
Bamboo beam veneer and wood single-plate are impregnated into 15min in the synvaren that solid content is 30%, make material
Dry rate of body weight gain reaches 10%；
5) dry
Raw material drains after impregnating resin, under the conditions of 80 DEG C of temperature, it is dry to moisture content be 10%；
6) assembly
Bamboo beam veneer and wood single-plate are laminated assembly, wherein slab top and bottom are wood single-plate, from upper inside slab
It is alternately combined by wood single-plate and 1~4 layer of bamboo beam veneer under and, the wood single-plate is along fiber with bamboo beam veneer
Direction arranges or the structural unit of one layer of wood single-plate and 1~4 layer of bamboo beam veneer composition is all suitable machine direction arrangement, and phase
It is arranged for vertical texture direction between adjacent two units；
7) precompressed
Slab is subjected to precompressed, prefabricating condition is：Under the conditions of unit pressure 1.5MPa, cold pressing treatment 20min；
8) hot pressing
Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber, hot pressing condition is：Unit pressure 4MPa, hot pressing temperature
160 DEG C, hot pressing time 1.5min/mm；
9) it displays
Plank after hot pressing unloads postcooling from press and displays 48h or more.
Embodiment 2：A kind of laminated bamboo-wood composite lumber manufacturing method
1) raw material prepare
1. bamboo Shu Jiagong
Using 3~5 years setation bamboos, cizu as raw material, raw bamboo is split into 2~4 by broken bamboo machine；Utilize bamboo silk processing machine
The good bamboo chip of subdivision is rolled into bamboo beam, is connected with each other and does not depart between bamboo beam, bamboo beam width is 6cm；
2. timber is processed
Use the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, veneer thickness 5mm；
2) dry carbonization
Bamboo beam and wood single-plate are put into the dry machine of dried disinfecting carbon, the temperature of the dry machine heating of dried disinfecting carbon is 170 DEG C, is added
3 hours hot time, bamboo clappers carbonization, carbonizing degree 25%；
3) bamboo beam weaves
Bamboo beam is processed into the bamboo beam veneer of large format, feed speed 5m/min, litzendraht wire interval by way of braiding
30cm；
4) impregnation
Bamboo beam veneer and wood single-plate are impregnated into 20min in the synvaren that solid content is 40%, make material
Dry rate of body weight gain reaches 5%；
5) dry
Raw material drains after impregnating resin, and under the conditions of temperature 60 C, drying to moisture content is 8%；
6) assembly
Bamboo beam veneer and wood single-plate are laminated assembly, wherein slab top and bottom are wood single-plate, from upper inside slab
It is alternately combined by wood single-plate and 1~4 layer of bamboo beam veneer under and, the wood single-plate is along fiber with bamboo beam veneer
Direction arranges or the structural unit of one layer of wood single-plate and 1~4 layer of bamboo beam veneer composition is all suitable machine direction arrangement, and phase
It is arranged for vertical texture direction between adjacent two units；
7) precompressed
Slab is subjected to precompressed, prefabricating condition is：Under the conditions of unit pressure 1MPa, cold pressing treatment 30min；
8) hot pressing
Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber, hot pressing condition is：Unit pressure 3MPa, hot pressing temperature
160 DEG C, hot pressing time 2min/mm；
9) it displays
Plank after hot pressing unloads postcooling from press and displays 48h or more.
Embodiment 3：A kind of laminated bamboo-wood composite lumber manufacturing method
1) raw material prepare
1. bamboo Shu Jiagong
Using 3~5 years setation bamboos, cizu as raw material, raw bamboo is split into 2~4 by broken bamboo machine；Utilize bamboo silk processing machine
The good bamboo chip of subdivision is rolled into bamboo beam, is connected with each other and does not depart between bamboo beam, bamboo beam width is 7cm；
2. timber is processed
Use the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, veneer thickness 1mm；
2) dry carbonization
Bamboo beam and wood single-plate are put into the dry machine of dried disinfecting carbon, the temperature of the dry machine heating of dried disinfecting carbon is 190 DEG C, is added
4 hours hot time, bamboo clappers carbonization, carbonizing degree 30%；
3) bamboo beam weaves
Bamboo beam is processed into the bamboo beam veneer of large format, feed speed 3m/min, litzendraht wire interval by way of braiding
40cm；
4) impregnation
Bamboo beam veneer and wood single-plate are impregnated into 30min in the synvaren that solid content is 50%, make material
Dry rate of body weight gain reaches 15%；
5) dry
Raw material drains after impregnating resin, under the conditions of 90 DEG C of temperature, it is dry to moisture content be 12%；
6) assembly
Bamboo beam veneer and wood single-plate are laminated assembly, wherein slab top and bottom are wood single-plate, from upper inside slab
It is alternately combined by wood single-plate and 1~4 layer of bamboo beam veneer under and, the wood single-plate is along fiber with bamboo beam veneer
Direction arranges or the structural unit of one layer of wood single-plate and 1~4 layer of bamboo beam veneer composition is all suitable machine direction arrangement, and phase
It is arranged for vertical texture direction between adjacent two units；
7) precompressed
Slab is subjected to precompressed, prefabricating condition is：Under the conditions of unit pressure 2MPa, cold pressing treatment 15min；
8) hot pressing
Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber, hot pressing condition is：Unit pressure 5MPa, hot pressing temperature
140 DEG C, hot pressing time 1min/mm；
9) it displays
Plank after hot pressing unloads postcooling from press and displays 48h or more.
The above described is only a preferred embodiment of the present invention, not making any form to technical scheme of the present invention
On limitation.Every essence according to the present invention is to any simple modification, equivalent change and modification made by above example,
It falls within the scope of protection of the present invention.
Claims (6)
1. a kind of laminated bamboo-wood composite lumber manufacturing method, it is characterised in that comprise the following steps that：
1) raw material prepare
1. bamboo Shu Jiagong
Using 3~5 years setation bamboos, cizu or other raw bamboos as raw material, raw bamboo is split into 2~4 by broken bamboo machine；Utilize bamboo silk
The good bamboo chip of subdivision is rolled into bamboo beam by processing machine, is connected with each other and is not departed between bamboo beam, and bamboo beam width is not less than 5cm；
2. wood single-plate is processed
Use the wood single-plate that rotary-cut, slicing or sawing mode are processed for raw material, 1~5mm of veneer thickness；
2) dry carbonization
Bamboo beam and wood single-plate are put into the dry machine of dried disinfecting carbon, the temperature of the dry machine heating of dried disinfecting carbon is 160-190 DEG C,
2-4 hours heating times, bamboo clappers carbonization, carbonizing degree are 5%-30%；
3) bamboo beam weaves
Bamboo beam is processed into the bamboo beam veneer of large format by way of braiding, feed speed 3-8m/min during braiding is compiled
Knit line interval 20-40cm；
4) impregnation
Bamboo beam veneer and wood single-plate are impregnated into 10~20min in the synvaren that solid content is 30~50%, made
The dry rate of body weight gain of material reaches 5~15%；
5) dry
Raw material drains after impregnating resin, under the conditions of 60~90 DEG C of temperature, it is dry to moisture content be 8~12%；
6) assembly
Bamboo beam veneer and wood single-plate are laminated assembly, wherein slab top and bottom are wood single-plate, inside slab from top to bottom
It is alternately combined by wood single-plate and 1~4 layer of bamboo beam veneer, the wood single-plate is along machine direction with bamboo beam veneer
The structural unit of arrangement or one layer of wood single-plate and 1~4 layer of bamboo beam veneer composition is all suitable machine direction arrangement, and adjacent two
It is arranged for vertical texture direction between a unit；
7) precompressed
Slab is subjected to precompressed, reduces slab thickness, shortens pressing cycle；
8) hot pressing
Slab after precompressed is hot pressed into laminated bamboo-wood composite lumber；
9) it displays
Laminated bamboo-wood composite lumber after hot pressing is displayed, and plank temperature is reduced, and discharges internal stress.
2. a kind of laminated bamboo-wood composite lumber manufacturing method as described in claim 1, it is characterised in that will in the step 4)
Bamboo beam veneer impregnates 12~18min with wood single-plate in the synvaren that solid content is 35~45%, keeps material dry
Rate of body weight gain reaches 8~12%.
3. a kind of laminated bamboo-wood composite lumber manufacturing method as described in claim 1, it is characterised in that the step 5) Central Plains
Material drains after impregnating resin, under the conditions of 70~80 DEG C of temperature, it is dry to moisture content be 9~10%.
4. a kind of laminated bamboo-wood composite lumber manufacturing method as described in claim 1, it is characterised in that pre- in the step 7)
Press strip part is：Under the conditions of 1.0~3.0MPa of unit pressure, 15~30min of cold pressing treatment.
5. a kind of laminated bamboo-wood composite lumber manufacturing method as described in claim 1, it is characterised in that hot in the step 8)
Press strip part is：3.0~5.0MPa of unit pressure, 130~160 DEG C of hot pressing temperature, 1~2min/mm of hot pressing time.
6. a kind of laminated bamboo-wood composite lumber manufacturing method as described in claim 1, it is characterised in that old in the step 9)
The condition of putting is：Plank after hot pressing unloads postcooling from press and displays 48h or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491473.4A CN108608525A (en) | 2018-05-21 | 2018-05-21 | A kind of laminated bamboo-wood composite lumber manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810491473.4A CN108608525A (en) | 2018-05-21 | 2018-05-21 | A kind of laminated bamboo-wood composite lumber manufacturing method |
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| CN108608525A true CN108608525A (en) | 2018-10-02 |
Family
ID=63664044
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| CN201810491473.4A Withdrawn CN108608525A (en) | 2018-05-21 | 2018-05-21 | A kind of laminated bamboo-wood composite lumber manufacturing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968470A (en) * | 2019-05-17 | 2019-07-05 | 绵阳市九福门窗有限责任公司 | Solid wood ecological plate and its processing method |
| CN110576481A (en) * | 2019-10-09 | 2019-12-17 | 南平市华泰木竹有限公司 | Novel bamboo-wood restructuring structure processing technology |
-
2018
- 2018-05-21 CN CN201810491473.4A patent/CN108608525A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109968470A (en) * | 2019-05-17 | 2019-07-05 | 绵阳市九福门窗有限责任公司 | Solid wood ecological plate and its processing method |
| CN109968470B (en) * | 2019-05-17 | 2020-12-29 | 绵阳市九福门窗有限责任公司 | Solid wood ecological plate and processing method thereof |
| CN110576481A (en) * | 2019-10-09 | 2019-12-17 | 南平市华泰木竹有限公司 | Novel bamboo-wood restructuring structure processing technology |
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Application publication date: 20181002 |