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1.
|
Köln : C. Heymann, 1988.
7.
German | G 180 DEU(7) |
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2.
|
Madrid [Spain] : Imprimerie Saf, 1984.
Spanish | G 180 CEN |
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3.
|
Ginebra [Colombia] : Organización Mundial de la Propiedad Intelectual, 1982-
Spanish | E 2319G22 OMPI.CA/CP/I |
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4.
|
München : Heymann, 1977.
German | G 180 HUN |
|
|
5.
|
Wien : Oesterreichisches Patentamt, 1974.
German | G 180 FUEN |
|
|
6.
|
Wien : Oesterreichisches Patentamt, 1924.
German | G 180 FUE |
|
|
7.
|
Berlin : Heymann, 1927.
German | G 180 REI.R |
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8.
|
[Place of publication not identified] : [publisher not identified], 1938.
German | G 180 FUE |
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|
9.
|
Washington : United States Government Printing Office, 1962.
English | G 180 MAN |
|
|
10.
|
Wien : Oesterreichisches Patentamt, 1959.
English | G 180 SEC |
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