4. Metal treatment
  5. Stock
  6. Age or precipitation hardened or strengthened

Koichi Saruwatari

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Diaphragm

Acoustics – Diaphragm – Critically defined material or coating
Patent

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Far-infrared radiator and method for producing method

Stock material or miscellaneous articles – Composite – Of metal
Reexamination Certificate

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Infrared radiation element and process of producing the same

Metal treatment – Stock – Age or precipitation hardened or strengthened
Patent

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Method of surface treatment of porous material

Chemistry: electrical and wave energy – Processes and products
Patent

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Profile ID: LFUS-PAI-P-388153

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