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1.
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Barcelona [Spain] : Grupo Espanol De La Aippi, 1987.
Spanish | F 13 DIA.E |
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2.
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Barcelona : Grupo Español de la A.I.P.P.I., c1977.
Spanish | F 13 AIPPI.E |
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3.
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Madrid [Spain] : Grupo Espanol De La Aippi, 1969.
Spanish | F 13 CUR.C |
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4.
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Geneva, Switzerland : World Intellectual Property Organization, 1976.
English | E 2384N49 WIPO.CML (F/E) |
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5.
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Barcelona [Spain] : Grupo Espanol De La Aippi, 1976.
Spanish | F 13 JOR.C(2) |
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6.
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Madrid [Spain] : Grupo Espanol De La Aippi, 1970.
Spanish | F 13 CUR.C(2) |
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