20 19 12, Pinduoduo was selected as the brand of 20 19 China Brand Power Festival 100. In March, 20021,Huang Zheng resigned as the chairman of Pinduoduo and was replaced by co-founder Chen Lei. 20021March 24th news, since February this year, the deployment of the National Network Information Office has been carried out in depth? Is that clear? Spring Festival travel rush network environment? During the rectification of the special action, the network information department found a number of website platforms with outstanding problems and committing crimes against the wind, among which some shops in Pinduoduo published pornographic and vulgar graphic information.
Cold chain transportation refers to the transportation that keeps the transported goods at a certain temperature during the whole transportation process, whether it is loading and unloading, changing the transportation mode or replacing the packaging equipment.
The cold chain transportation mode can be road transportation, waterway transportation, railway transportation, air transportation, or a comprehensive transportation mode composed of multiple transportation modes. Cold chain transportation is an important part of cold chain logistics. The cost of cold chain transportation is very high, and it includes more complicated mobile refrigeration technology and incubator manufacturing technology. Cold chain transportation management contains more risks and uncertainties.
Among them, the basic conditions for applying for a patent are as follows: the patent law stipulates that inventions and utility models granted patent rights should be novel, creative and practical. ?
Novelty: Before submitting the application, the applicant should conduct a comprehensive investigation on the novelty of his invention. If there is obviously no novelty, there is no need to apply for a patent. Creativity: Compared with the existing technology, there are essential differences, qualitative leaps and breakthroughs, and the technical changes and breakthroughs applied for are not obvious to ordinary technicians in this field. So-called? Is there any progress compared with the existing technology? It means that the invention or utility model has technical advantages or obvious technical advantages compared with the existing technology. Practicality: it can neither be a simple imitation of the existing similar product design, nor can it be slightly different from it that only technicians in the field can see, but should be obvious differences and changes that the public can see at a glance? Publications? And then what? Open for use? Its meaning is the same as that of invention and utility model. ?