DK72922C -
Method for making the work surfaces of cast iron in machine cylinders, on piston rings or other machine and transmission parts durable.
- Google Patents
Method for making the work surfaces of cast iron in machine cylinders, on piston rings or other machine and transmission parts durable.
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Application filed by George Michael, Leonardus Nicolaas Jo WelschenfiledCriticalGeorge Michael
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Publication of DK72922CpublicationCriticalpatent/DK72922C/en
DK499949A1948-06-291949-06-14
Method for making the work surfaces of cast iron in machine cylinders, on piston rings or other machine and transmission parts durable.
DK72922C
(en)