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PATENTSCOPE Practical Exercises

Which query will return documents having Germany as priority and this IPC code: C10L1/00 ?

IC_EX:(C10L1/00) AND PCN:Germany

IC_EX:(C10L1/00) AND PCN:DE

IC:(C10L1/00) AND PCN:Germany

IC:(C10L1/00) AND PCN:DE

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