Латвийский Государственный Институт Проектирования Мелиорации "Латгипроводхоз"
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Латвийский Государственный Институт Проектирования Мелиорации "Латгипроводхоз"filedCriticalЛатвийский Государственный Институт Проектирования Мелиорации "Латгипроводхоз"
Priority to SU1916628ApriorityCriticalpatent/SU487982A1/ru
Application grantedgrantedCritical
Publication of SU487982A1publicationCriticalpatent/SU487982A1/ru