DK80513C -
Method for manufacturing metal pipes which must be able to be telescopically displaced into each other, and apparatus for carrying out the method.
- Google Patents
Method for manufacturing metal pipes which must be able to be telescopically displaced into each other, and apparatus for carrying out the method.
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Application filed by William Herbert SmithfiledCriticalWilliam Herbert Smith
Priority to DK359751ApriorityCriticalpatent/DK80513C/en
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Publication of DK80513CpublicationCriticalpatent/DK80513C/en
DK359751A1951-11-291951-11-29
Method for manufacturing metal pipes which must be able to be telescopically displaced into each other, and apparatus for carrying out the method.
DK80513C
(en)