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US2352675A
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Mechanism for shaping sheet metal
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Machine for trimming or slitting sheet material
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Apparatus for operating on sheet material
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Machine for forming shapes
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Machine for operating on the side edges of sheet metal stock
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Apparatus for operating on sheet material
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Machine for operating on sheet metal
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Apparatus for forming sections of shaped sheet material
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Machine for operating on sheet material
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Trimming and/or cutting mechanism
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Machine for operating on sheet metal
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Machine for producing shapes
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Machine for and process of forming structural members
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Coiling mechanism for sheet material
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Mechanism for operating on sheet materials
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Coil handling mechanism
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Method of operating on sheet material
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|
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Trimming and/or cutting mechanism
|
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US1973458A
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Guiding mechanism
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US2033967A
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Machine for finishing cylindrical bodies or pipes
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