US Patent 7578866 Iron-based sintered alloy having excellent machinability
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Patent Inventor Names
Kinya Kawase0
Yoshinari Ishii0
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Patent abstract
This iron-based sintered alloy contains 0.05 to 3% by mass of calcium carbonate or 0.05 to 3% by mass of strontium carbonate. As a result, an iron-based sintered alloy having excellent machinability is obtained.
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US Patent 07578866 Iron-based sintered alloy having excellent machinability US Patent 7578866 Iron-based sintered alloy having excellent machinability
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Patent Number
07578866
Patent Number
7578866
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US Patent 07578866 Iron-based sintered alloy having excellent machinability
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Is a
Patent jurisdiction
Patent number
07578866
Date of patent
August 25, 2009
Patent application number
10548677
Date Filed
March 10, 2004
Patent primary examiner
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