If the technical features of the combination support each other in function and achieve new technical effects, or the technical effects of the combination are better than the sum of the effects of all technical features, the combination has outstanding substantive characteristics and remarkable progress, and the invention is creative. Whether each technical feature of the combined invention itself is completely known or partially known does not affect creativity.
The new technical effects include increasing functions, enhancing the original functions, reducing costs and simplifying the structure. Simple addition cannot be a combinatorial invention.
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