| 发明名称 |
BOTTOMED PART AND ITS MANUFACTURING METHOD |
| 摘要 |
PROBLEM TO BE SOLVED: To provide a bottomed part free from the influence of a chamfered part of a corner part and its manufacturing method. SOLUTION: An annular recessed part 32 is arranged in the outer edge part of a bottom face 31Bb of a bottom part 31B.
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| 申请公布号 |
JP2001191123(A) |
申请公布日期 |
2001.07.17 |
| 申请号 |
JP20000005901 |
申请日期 |
2000.01.07 |
| 申请人 |
ABE DENKI BUHIN KOGYO KK |
发明人 |
OZAKI HIROYUKI |
| 分类号 |
H04R19/04;B21D22/28;B21D51/18;(IPC1-7):B21D22/28 |
主分类号 |
H04R19/04 |
| 代理机构 |
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