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Patents Granted on 1983-12-20
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
CA-1,158,923	Dec. 20, 1983	M.J. Neal	Adjustable vortex pump
4,421,443	Dec. 20, 1983	P.J. Finet, R.T. Woythal	High Speed Machine Tool Spindle Assembly	metalworking machine mechanisms

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