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发明名称
HOLE DRILLING METHOD
摘要
申请公布号
JPH06320314(A)
申请公布日期
1994.11.22
申请号
JP19940007270
申请日期
1994.01.26
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
FUJIWARA SHIGEKI;NAKAGAWA TERUO;TSUTSUI SHINJI
分类号
B23B41/00;B23B47/18;B26F1/16;(IPC1-7):B23B47/18
主分类号
B23B41/00
代理机构
代理人
主权项
地址
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