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Application filed by Kunz Ziegler JohannesfiledCriticalKunz Ziegler Johannes
Publication of CH82396ApublicationCriticalpatent/CH82396A/en
CH82396A1919-03-181919-03-18
Device for the simultaneous opening and closing of corresponding inner and outer window sashes, door sashes or the like
CH82396A
(en)