Deutsch: Explosionszeichnung einer Shimano-Dreigang-Nabenschaltung
English: Exploded diagram of internal 3 speed Shimano hub from a Sears bicycle
Date
Source
Scanned from a 1977 publication, published in the United States, with no copyright notice. (Owners manual for Sears bicycles 502.472684 (boys) and 502.472784 (girls), "Rev. 9-1-77")
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description=Exploded diagram of internal 3 speed Shimano hub from a Sears bicycle |Source=Scanned from a 1977 publication, published in the United States, with no copyright notice. (Owners manual for Sears bicycles 502.472684 (boys) and 50
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