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DE767909C
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Wrap for ribbon spools
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DE717420C
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Device for attaching stencils to the hanging bar of rotary stencil printers
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DE767021C
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Multiplication colors for stencil printing
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DE721303C
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Ink feed device for rotary stencil printer
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DE667629C
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Device for coloring two or more drum rotary stencil printers
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DE685145C
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Application of the printing ink to the inking rollers of two or more drum stencil printers
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DE767019C
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Device for color guidance for rotary stencil printer
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DE704647C
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Process for preventing or reducing the electrical charging of the sheets of paper printed with stencil printers by generating opposite charges
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