4. Metal working
  5. Method of mechanical manufacture
  6. Heat exchanger or boiler making

Eberhard Lepin

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Method for the economical production of heat exchanger tubes...

Metal working – Method of mechanical manufacture – Heat exchanger or boiler making
Reexamination Certificate

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Semi-finished product made out of a ductile material with...

Stock material or miscellaneous articles – All metal or with adjacent metals – Having marginal feature for indexing or weakened portion for...
Reexamination Certificate

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Semi-finished product made out of a ductile material with...

Stock material or miscellaneous articles – All metal or with adjacent metals – Having marginal feature for indexing or weakened portion for...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2385858

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