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All Patents in class 83/249
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberTitleClassification(s)
682,686Punching-machine83/247, 83/249, 83/451, 83/633
2,064,731Automatic punch press100/216, 83/202, 83/249, 83/255, 83/701
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