All Patents in class 137/625.19


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All Patents in class 137/625.19
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
217,176	Jul. 01, 1879	D. Lang, A. Linn, A.J. Ulscht	Improvement in apparatus for regulating pressure in fermenting-casks	brewing apparatus
672,398	Apr. 16, 1901	J. Hartness	Lathe	automatic lathes