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GB423562A
|
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Improvements in artificial internal parts of human or animal bodies
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GB329953A
|
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Articles of high resistance to wear, well polishable and neutral to chemical agents
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US1935266A
|
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Metallic dental filling composition
|
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US1421776A
|
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Material for artificial internal members of the human body
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US1402229A
|
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Nerve-extracting needle for dental purposes or the like
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GB146330A
|
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Needles or similar instruments for dental and surgical purposes
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GB146331A
|
|
Material for artificial members to be used internally for human or animal bodies
|
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DE355610C
|
|
Needles (nerve needles, probes and the like) for medical, especially dental purposes
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