A good patent search engine with a basic and an advanced mode, both with many options.

A good patent search engine with a basic and an advanced mode, both with many options.
Topics covered: patent search, search engine, basic mode, advanced mode, options, database, intellectual property, user interface, filtering, keyword search, results analysis, citation tracking, ISO 9001, ISO/IEC 27001, ASTM D6400, ISO 14001, and ISO 45001..
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