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发明名称
Process of producing a valve element
摘要
申请公布号
US4885830(A)
申请公布日期
1989.12.12
申请号
US19890311835
申请日期
1989.02.17
申请人
TOKYO ELECTRIC CO., LTD.
发明人
OHTAKA, YOSHIMITSU
分类号
B41J2/015;B41J2/16;F15C5/00;F16K31/02;F16K99/00
主分类号
B41J2/015
代理机构
代理人
主权项
地址
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