Revision concordance list Int.Cl.[6] ・ Int.Cl.[7] Table de concordance Int.Cl.[6] ・ Int.Cl.[7]
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Revision concordance list Int.Cl.[6] ・ Int.Cl.[7] = Table de concordance Int.Cl.[6] ・ Int.Cl.[7]
（International patent classification）（WIPO publication, no. 462(EF)）
World Intellectual Property Organization, 1999
7th ed
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