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DE599199C
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Trimming device for thin, double-edged razor blades that are processed in the form of a band
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US2001117A
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Razor blade grinding machine
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GB395919A
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Method and apparatus for making the cutting edges of thin razor blades
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GB389408A
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Improvements relating to grinding or abrading machines
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GB394835A
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Improvements relating to machines for the making of thin razor blades
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US1966006A
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Band guide for machines for the manufacture of thin razor blades from a continuous band
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US1886274A
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Grinding apparatus
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US1957602A
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Machine for making razor blades
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US1877758A
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Method of making razor blades
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