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Application filed by Предприятие П/Я Р-6543filedCriticalПредприятие П/Я Р-6543
Priority to SU742011795ApriorityCriticalpatent/SU617124A1/en
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Publication of SU617124A1publicationCriticalpatent/SU617124A1/en
Источник информации, прин тый во внимание при акспертизе: 1. Патент США №2994186, кл. 5901 .08.61.The source of information taken into account during the examination: 1. US patent No. 2994186, cl. 5901 .08.61.
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SU742011795A1974-04-031974-04-03Method of making apertured articles from sheet metal
SU617124A1
(en)