폐사는 납(Pb)함유 동합금(Copper)의 납제거 처리법 및 납제거에 사용하는 [탈납용 CoredWire]에

관한 특허를 취득했습니다.(특허 제 5940746호)

  弊社は「鉛含有銅合金の脱鉛処理法及びその方法に用いる脱鉛

コアードワイヤー」に関する特許を取得致しました.（特許第5940746号）

 Our patent “De-Leading treatment method of Lead-Containing Copper alloy and Cored Wire for Lead removal used of the method” has been registered at Japan Patent Office.(PN 5940746)