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经营范围
发明名称
ELECTRIC DISCHARGE MACHINE
摘要
申请公布号
JPS6478728(A)
申请公布日期
1989.03.24
申请号
JP19870234994
申请日期
1987.09.21
申请人
HITACHI SEIKO LTD
发明人
YOSHIZAWA HIDEYOSHI;ISHII TAKASHI;MAKINO TOSHIYUKI;YAMASHITA TAKAHIKO;SHIMIZU YASUARI
分类号
B23H7/26;B23H7/28
主分类号
B23H7/26
代理机构
代理人
主权项
地址
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