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Electric power assistor
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Pressure fluid power amplifier
|
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Double-acting proportional hydraulic pressure power amplifier
|
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Unloading valve
|
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Unloading valve mechanism for fluid pressure pumps
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Counter for flat articles
|
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Patch applying mechanism
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|
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Adhesive applying mechanism
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Blank counter
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Machine for applying and drying adhesive on paper goods
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Paper box machine
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Adhesive applying mechanism for paper fabricating machines
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Patch applying and laminating mechanism for paper working machines
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Method of applying and drying adhesive
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Machine for applying and drying adhesive
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Sheet feeder
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Adhesive applying mechanism for envelope blanks and the like
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Paper box making machine and method of folding
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Variable speed gearing
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US2130605A
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Method of gumming and drying adhesive on flat surfaces
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