|
CN111109782A
|
|
Anti-counterfeiting nickel-coated steel coin and manufacturing process thereof
|
|
CN109968850A
|
|
A kind of high speed positioning color printing production method of metal coin stamp
|
|
CN107630214A
|
|
A kind of technique for processing of locally being painted for fine silver commemorative coin/chapter
|
|
CN107545563A
|
|
A kind of silver punching number system and method for counting
|
|
CN106555075A
|
|
A kind of rose golden coinage Cu alloy material and preparation method thereof
|
|
CN105877020A
|
|
Fan-shaped module for slot-rolling, character-rolling and anti-counterfeiting manufacturing of coin edges and processing method thereof
|
|
CN103820791A
|
|
Method for reducing annealing temperature or time of nickel-coated billet cake
|
|
CN104249925A
|
|
High-speed stamping, separating and overturning arranging conveyer for double-layered composite coins (badges)
|
|
CN104231747A
|
|
Pad printing ink and safety products
|
|
CN103792241A
|
|
High-speed acquisition test system used for coin or stamper with multi-surface invisible patterns
|
|
CN103668359A
|
|
Electroplating liquid of multi-layer cyanide-free electroplated copper-tin alloy coating, electroplating technology and coin thereof
|
|
CN102809566A
|
|
System for automatically detecting surface quality of colorful gold/silver coin (medal)
|
|
CN102866160A
|
|
System and method for detecting surface quality of coin mold
|
|
CN102488366A
|
|
Nickel-coated steel coin with double-face hidden pattern, and manufacturing technology thereof
|
|
CN102511978A
|
|
Coin embedded with optical anti-counterfeiting label and making technology thereof
|
|
CN102488367A
|
|
Nickel-clad steel coin by combining lines and fine patterns as well as making technology thereof
|
|
CN102511977A
|
|
Noble metal coin with transparent anti-counterfeit window, and manufacturing technology thereof
|
|
CN102513462A
|
|
Coin blank conveying and positioning device for edge knurling and grooving (embossing) of coin blanks
|
|
CN102974744A
|
|
Anti-crumb type demolding structure for manufacturing periphery inclined threadlike teeth of trade coin
|
|
CN102293487B
|
|
Coins and badge blank cake with a plurality of metal components as well as making method thereof
|
