DK86341C -
Method for making bookbinders, consisting wholly or partly of a thermoplastic material, as well as high-frequency welding tools for use in the method.
- Google Patents
Method for making bookbinders, consisting wholly or partly of a thermoplastic material, as well as high-frequency welding tools for use in the method.
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Application filed by Poul Henrik Nielsen-KoldingfiledCriticalPoul Henrik Nielsen-Kolding
Priority to DK246655ApriorityCriticalpatent/DK86341C/en
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Publication of DK86341CpublicationCriticalpatent/DK86341C/en
DK246655A1955-07-231955-07-23
Method for making bookbinders, consisting wholly or partly of a thermoplastic material, as well as high-frequency welding tools for use in the method.
DK86341C
(en)