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1718001
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Information
Patent Grant
1718001
References
Source
Patent Number
1,718,001
Date Filed
Not available
Date Issued
Tuesday, June 18, 1929
96 years ago
CPC
B61L29/222 - using conductor circuits with separate contacts or conductors
Y10S104/01 - Toy railroad
US Classifications
246 - Railway switches and signals
104 - Railways
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