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2023
|
Invention
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Knife. A knife according to the present disclosure comprises a blade that has a base part and an ... |
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2020
|
Invention
|
Ball bearing and method for manufacturing same. A ball bearing has an outer circumferential surfa... |
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|
Invention
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Ball bearing and method for manufacturing same. Provided are a ball bearing that has excellent he... |
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2008
|
Invention
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Piercing plug, method for regenerating piercing plug, and regeneration facility line for piercing... |
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1993
|
Invention
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Apparatus for the extraction of metals from metal-containing raw materials. Metal-containing ores... |
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1991
|
Invention
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Method and apparatus for the extraction of metals from metal-containing raw materials. Metal-cont... |
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1990
|
Invention
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Refractory pipeline with gas-tight joint. A refractory pipeline having ceramic pipe sections with... |
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|
Invention
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Method for the producing of ceramic-metal composite materials by plasma spraying several layers o... |
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1985
|
Invention
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Binderless ceramic or ceramic oxide hollow body and method for its manufacture. This invention re... |
