US1988103A
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Trip mechanism for punch presses
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US1246834A
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Safety appliance for hand-fed power-presses.
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CA157752A
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Hand fed power press mechanism
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US1167611A
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Punch-press guard.
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US1083720A
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Trunk-lock.
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US1189186A
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Safety appliance for presses.
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US1189185A
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Safety appliance for presses.
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CA146981A
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Printing press mechanism
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US1066459A
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Safety appliance for hand-fed power-presses.
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US1014359A
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Safety appliance for hand-fed power-presses.
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US887053A
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Lock and latch.
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US873481A
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Lock.
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US885214A
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Lock.
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US850333A
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Lock.
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US799289A
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Lock.
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US760599A
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Lock.
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