申请人 |
MITSUBISHI MATERIALS CORP., TOKIO/TOKYO, JP |
发明人 |
ARAI, TATSUO, TOKYO-SEISAKUSHO MITSUBISHI, SHINAGAWA-KU TOKYO 142, JP;OKAWA, MASAYUKI, TOKYO-SEISAKUSHO MITSUBISHI, SHINAGAWA-KU TOKYO 142, JP;SAITO, TAKAYOSHI, TOKYO-SEISAKUSHO MITSUBISHI, SHINAGAWA-KU TOKYO 142, JP |