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Ru| Description |
Electrodynamic coupling: No. 22852. Supponent.11/17/1910.Issuance on 10/31/1912 / "Shuckert and K".- [B.M .: B. and., 1912].-[1] p., 1 l.Il .. -Description of an electrodynamic coupling.To the privilege of the Russian Society of Shuckert and Co., in the city of St. Petersburg, declared on November 17, 1910 (okhr. St. No. 45787).Group XI.No. 22852. October 31, 1912.I. "Shuckert and Co.", Society (Petersburg) .1.People (collection).Electronic copy source: PBOriginal storage location: VPTB FIPS
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| Publisher | б. и. |