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GB190905314A
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Improvements in and in Apparatus for Producing, Corrugated Metal sheets for Roofing and other purposes.
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US941199A
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Machine for shearing metal sheets.
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GB190807432A
|
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An Improved Machine for Shearing Metal Sheets.
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CA105607A
|
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Machinery for corrugating metal sheets
|
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US865908A
|
|
Machine for corrugating sheet metal.
|
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GB190602805A
|
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Improvements in Machinery for Corrugating Metal Sheets.
|
|
US815710A
|
|
Corrugating-machine.
|
|
GB190502683A
|
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Improvements in Machinery for Bringing Metal Strips and Sheets to a Curved Form in Cross Section.
|
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GB190324486A
|
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Improvements in Machinery for Rolling Sheet Metal Strips to a Curved or other Form in Transverse Section.
|
|
CA85981A
|
|
Machinery for rolling sheet metal strips to a curved or other section
|
|
US726691A
|
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Machinery for rolling sheet or other metal strips or bars of curved or other section.
|
|
GB190208752A
|
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Improvements in Machinery for Rolling Sheet Metal Strips to a Curved or other Section.
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