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Please search in the head, enter your search (e.g. keyword, inventor, patent number)
Please consider the following when you search:
- • Use core keywords rather than random text;
- • Remove unimportant words, change keywords, add keywords;
Please take the following into account:
- 1. Search engine will separate keywords into words and consider "AND" among them
- 2. Search engine will consider the order of the keywords
- 3. Please consider adding " " to search a word group or phrase
- 4. Please use operators carefully, e.g. ()、-、NOT、AND、OR、TO
- 5. If you want to consider operators for search, please put them in "", e.g. asn="IBM (China)", ti="Protector bar for a car door and" AND pn=USD743852S1
