(1994). Locarno agreement establishing an international classification for industrial design signed at London on October 8, 1968. WIPO.
シカゴスタイル引用形Locarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. Geneva: WIPO, 1994.
MLA引用形式Locarno Agreement Establishing an International Classification for Industrial Design Signed at London on October 8, 1968. WIPO, 1994.
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