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1917542
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Information
Patent Grant
1917542
References
Source
Patent Number
1,917,542
Date Filed
Not available
Date Issued
Tuesday, July 11, 1933
91 years ago
CPC
E04B9/06 - characterised by constructional features of the supporting construction
F01B25/00 - Regulating, controlling, or safety means
F01B2250/004 - Devices for draining or idling of steam cylinders or for uncoupling piston and connecting rod
US Classifications
181 - Acoustics
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