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Manufactured By:
Doebler Manufacturing Co.
Middletown, CT

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Title: 1901 Ad-Doebler Mfg. Co., Weir Drill Chuck
Source: Machinery, V7, Aug. 1901, pg. 66
Insert Date: 7/20/2023 7:46:01 PM

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US Patent: 549,837

https://datamp.org/patents/displayPatent.php?number=549837&typeCode=0
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1901 Doebler Mfg. Co., Weir Drill Chuck
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