|
CN112132245A
|
|
Anti-counterfeiting two-dimensional code and anti-counterfeiting verification method thereof
|
|
CN109859290A
|
|
It is a kind of number mark and its generation method, system, storage medium and device
|
|
CN108995410A
|
|
A kind of seal and its impress control method and system based on narrowband Internet of Things
|
|
CN110084331A
|
|
A kind of method, apparatus and system managing E-seal
|
|
CN109948763A
|
|
A kind of method and device generating dynamic two-dimension code
|
|
CN109918960A
|
|
A kind of method and device decoding dynamic two-dimension code
|
|
CN109670948A
|
|
Information acquisition method, electronic equipment, transaction data system and bill generating device
|
|
CN109421397A
|
|
Seal system
|
|
CN109428855A
|
|
Seal all-in-one machine and its control method
|
|
CN109388982A
|
|
The method and and server that a kind of pair of trading activity is traced
|
|
CN109388998A
|
|
A kind of method and apparatus of identifying stamp two dimensional code
|
|
CN109389445A
|
|
A kind of method and system traded by transaction code
|
|
CN109389196A
|
|
A kind of method and apparatus for preventing 2 D-code seal ink paste from spreading
|
|
CN109389197A
|
|
A kind of method for generating annular two dimensional code and its seal using the two dimensional code
|
|
CN109389195A
|
|
A kind of method generating seal two dimensional code and the seal with the two dimensional code
|
|
CN109308404A
|
|
It impresses people's auth method, terminal and seal system
|
|
CN109218253A
|
|
Multi-medium play method plays background server and mobile terminal
|
|
CN109120956A
|
|
Television for play control method, apparatus and system
|
|
CN109120960A
|
|
User behaviors log acquisition method and device based on television set
|
|
CN107292369A
|
|
The generation method and device of identification code
|
